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Undo synonyms

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untie
To resolve (perplexities, etc.)
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  1. To resolve (perplexities, etc.)
  2. To straighten out (difficulties, for example); resolve.
  3. (Intransitive) To become untied or loosed.
loosen
To remove costiveness from; to facilitate or increase the alvine discharges of.
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  1. To remove costiveness from; to facilitate or increase the alvine discharges of.
  2. To free from restraint; to set at liberty.
  3. To become loose or looser:
release
To cause or allow to move away or spread from a source or place of confinement:
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  1. To cause or allow to move away or spread from a source or place of confinement:
  2. To set free from physical restraint or binding; let go:
  3. To loosen; to relax; to remove the obligation of.
mar
To impair the soundness, perfection, or integrity of; spoil.
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  1. To impair the soundness, perfection, or integrity of; spoil.
  2. To injure or damage so as to make imperfect, less attractive, etc.; spoil; impair; disfigure
  3. To inflict damage, especially disfiguring damage, on.
destroy
To kill
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  1. To kill
  2. To put to death; kill:
  3. To break up or spoil completely; ruin
ruin
To cause (a building, for example) to be in a destroyed, collapsed, or decayed state.
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  1. To cause (a building, for example) to be in a destroyed, collapsed, or decayed state.
  2. To bring or reduce to ruin
  3. (Archaic) To go or come to ruin
wreck
To suffer destruction or ruin; become wrecked:
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  1. To suffer destruction or ruin; become wrecked:
  2. To cause to undergo ruin or disaster:
  3. To bring to ruin or disaster; overthrow; thwart; defeat
break
To overcome or put an end to, especially by force or strong opposition:
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  1. To overcome or put an end to, especially by force or strong opposition:
  2. To lessen the force or effect of:
  3. To cause to give up a habit:
subvert
To overthrow or destroy (something established)
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  1. To overthrow or destroy (something established)
  2. To undermine, overturn, or render ineffective (a rule or an established notion, such as a stereotype, for example).
  3. To cause to serve a purpose other than the original or established one; commandeer or redirect:
injure
To offend (one's feelings, pride, etc.); wound
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  1. To offend (one's feelings, pride, etc.); wound
  2. To cause physical harm to; hurt:
  3. To cause physical harm to; hurt:
overthrow
To bring down from a position of authority or power; topple
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  1. To bring down from a position of authority or power; topple
  2. To bring about the downfall of (a government, etc.), especially by force.
  3. To throw or turn over; upset
unsettle
To bring into disorder or disarray
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  1. To bring into disorder or disarray
  2. To become unsettled
  3. To change from a settled condition; disrupt:
upset
To disturb the functioning, order, or course of:
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  1. To disturb the functioning, order, or course of:
  2. To overthrow or defeat unexpectedly
  3. To defeat unexpectedly (an opponent favored to win).
defeat
To do better than (another) in a competition or battle; win victory over; beat:
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  1. To do better than (another) in a competition or battle; win victory over; beat:
  2. To be beyond the comprehension of; mystify:
  3. (Obs.) To undo; destroy
annul
To bring to an end the effect or existence of; cancel out:
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  1. To bring to an end the effect or existence of; cancel out:
  2. To judicially declare something to be void either from the date of decree or ab initio.
  3. To make an ecclesiastical or judicial declaration that a marriage is void ab initio and never existed. See also divorce.
cancel
To annul or invalidate:
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  1. To annul or invalidate:
  2. To blot out, deface, mark off, perforate, destroy, or otherwise physically alter a writing to render it void.
  3. To offset or cancel each other
invalidate
To make invalid; deprive of legal force
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  1. To make invalid; deprive of legal force
annul
To bring to an end the effect or existence of; cancel out:
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  1. To bring to an end the effect or existence of; cancel out:
  2. To make an ecclesiastical or judicial declaration that a marriage is void ab initio and never existed. See also divorce.
  3. To judicially declare something to be void either from the date of decree or ab initio.
blot
To spill or spread in a spot or stain.
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  1. To spill or spread in a spot or stain.
  2. To spot or stain, as with a discoloring substance:
  3. To render invisible or unreadable by marking; obliterate. Often used with out :
cancel
To cross out with lines or other markings.
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  1. To cross out with lines or other markings.
  2. To cross out with lines or other marks, as in deleting written matter or marking a check as used and cleared
  3. (Math.) To remove (a common factor from both terms of a fraction, equivalents of opposite sign or on opposite sides of an equation, etc.)
cross
To combine the qualities of two things:
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  1. To combine the qualities of two things:
  2. To go or extend across; pass from one side of to the other:
  3. (Sports) To propel (a ball or puck) as a cross, as in soccer.
delete
To take out (a printed or written letter, word, etc.); cross out
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  1. To take out (a printed or written letter, word, etc.); cross out
  2. To remove from a document or record:
  3. To remove (a file, for example) from a hard drive or other storage medium.
efface
To rub or wipe out; erase:
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  1. To rub or wipe out; erase:
  2. (Medicine) To cause to become shorter, softer, and thinner during labor:
  3. (Medicine) To become shorter, softer, and thinner during labor. Used of the cervix.
erase
To rub, scrape, or wipe out (esp. written or engraved letters); efface; expunge
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  1. To rub, scrape, or wipe out (esp. written or engraved letters); efface; expunge
  2. To remove (something written, for example) by rubbing, wiping, or scraping.
  3. To remove recorded material from (a magnetic tape or disk, for example):
expunge
To eliminate completely; wipe out:
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  1. To eliminate completely; wipe out:
  2. To erase, delete, or strike out:
  3. To erase or remove completely; blot out or strike out; delete; cancel
obliterate
To blot out or wear away, leaving no traces; erase; efface
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  1. To blot out or wear away, leaving no traces; erase; efface
  2. (Medicine) To remove completely (a body organ or part), as by surgery, disease, or radiation.
  3. To remove or destroy completely so as to leave no trace.
rub
Figuratively, to be imparted, as through contact or influence
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  1. Figuratively, to be imparted, as through contact or influence
  2. To move one's hand, a cloth, etc. over (a surface or object) with pressure and friction, in a circular or back-and-forth motion
  3. To move (an object or objects) firmly along a surface, especially repeatedly:
scratch
(--- Slang) To cancel (a project or program, for example).
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  1. (--- Slang) To cancel (a project or program, for example).
  2. To mark, break, or cut the surface of slightly with something pointed or sharp
  3. To strike out or cancel (a word, for example) by or as if by drawing lines through.
strike
The course or bearing of a structural surface, such as an inclined bed or a fault plane, as it intersects a horizontal plane.
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  1. The course or bearing of a structural surface, such as an inclined bed or a fault plane, as it intersects a horizontal plane.
  2. To form by stamping, printing, or punching:
  3. To produce or play by manipulating strings or keys:
wipe
To subject to light rubbing or friction, as with a cloth or paper, in order to clean or dry.
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  1. To subject to light rubbing or friction, as with a cloth or paper, in order to clean or dry.
  2. To form (a joint) in plumbing by spreading solder with a piece of cloth or leather.
  3. To rub, move, or pass (a cloth, for example) over a surface.
x
To delete or cancel (written or printed matter) with or as with one or more X's
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  1. To delete or cancel (written or printed matter) with or as with one or more X's
  2. To indicate (one's choice or answer) by or as by marking with an X
  3. To mark or sign with an X.
vacate
To cause (an office, position, etc.) to be unfilled or unoccupied, as by resignation
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  1. To cause (an office, position, etc.) to be unfilled or unoccupied, as by resignation
  2. To leave (a house, room, etc.) uninhabited or untenanted; give up the occupancy of
  3. To physically leave, as in “to vacate the building. See also abandonment and overrule.
disengage
(Intransitive) To release or loosen from something that binds, holds, entangles, or interlocks; unfasten; detach; disentangle; free.
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  1. (Intransitive) To release or loosen from something that binds, holds, entangles, or interlocks; unfasten; detach; disentangle; free.
  2. To release oneself or itself; become disengaged
  3. To release from something that holds fast, connects, or entangles.
loose
To let loose; release:
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  1. To let loose; release:
  2. To cast loose; detach:
  3. Loosely; in a loose manner
loosen
To free from restraint; to set at liberty.
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  1. To free from restraint; to set at liberty.
  2. To remove costiveness from; to facilitate or increase the alvine discharges of.
  3. To become loose or looser:
slip
To go, move, pass, etc. smoothly, quickly, or easily
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  1. To go, move, pass, etc. smoothly, quickly, or easily
  2. To put on or remove (clothing) easily or quickly:
  3. To release, loose, or unfasten:
unbind
To untie; unfasten
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  1. To untie; unfasten
  2. (Figuratively) To set free from a debt, contract or promise.
  3. To take bindings off.
unclasp
To relax the grasp
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  1. To relax the grasp
  2. (Intransitive) to become unfastened
  3. To release or relax a clasp or grasp; let go.
unfasten
To become loosened or separated.
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  1. To become loosened or separated.
  2. (Intransitive) To come untied or unloosed.
  3. To loose; to unfix; to unbind; to untie; figuratively, to detach from any connecting link or agency; to disconnect.
unloose
To make or set loose; loosen, release, undo, etc.
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  1. To make or set loose; loosen, release, undo, etc.
  2. To release from a constraint; to set free or liberate
  3. To relax:
unloosen
To unloose.
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  1. To unloose.
  2. To unloose; to loosen
untie
To free from something that binds or restrains:
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  1. To free from something that binds or restrains:
  2. To resolve (perplexities, etc.)
  3. To straighten out (difficulties, for example); resolve.
open
To part the lids or lips of:
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  1. To part the lids or lips of:
  2. To become open
  3. To remove the wrapping from:
unclose
To make or become no longer closed; open
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  1. To make or become no longer closed; open
  2. To be opened.
  3. To open.
bankrupt
To force into bankruptcy.
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  1. To force into bankruptcy.
  2. To ruin:
  3. To cause to become financially bankrupt.
break down
(Ergative, figuratively) to divide into parts to give more details, to provide a more indepth analysis of
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  1. (Ergative, figuratively) to divide into parts to give more details, to provide a more indepth analysis of
  2. (Intransitive) to fail, to cease to function
  3. (Ergative, figuratively) to render or to become unstable due to stress, to collapse physically or mentally
demolish
To tear down or break apart the structure of; raze.
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  1. To tear down or break apart the structure of; raze.
  2. To damage (someone's reputation, for example) severely.
  3. To do away with completely; put an end to:
destroy
To break apart the structure of, render physically unusable, or cause to cease to exist as a distinguishable physical entity:
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  1. To break apart the structure of, render physically unusable, or cause to cease to exist as a distinguishable physical entity:
  2. To break up or spoil completely; ruin
  3. To bring to total defeat; crush
finish
To destroy; kill:
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  1. To destroy; kill:
  2. To bring to a required or desired state:
  3. To give (wood, for example) a desired or particular surface texture.
ruin
To deflower or seduce (a woman) and, often, specif., thereby render her unmarriageable, disgraced, etc.
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  1. To deflower or seduce (a woman) and, often, specif., thereby render her unmarriageable, disgraced, etc.
  2. To bring or reduce to ruin
  3. To cause (a building, for example) to be in a destroyed, collapsed, or decayed state.
shatter
To cause the destruction or ruin of; destroy:
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  1. To cause the destruction or ruin of; destroy:
  2. To break into pieces; smash or burst:
  3. To cause to break or burst suddenly into pieces, as with a violent blow.
sink
To go below the surface of water or another liquid:
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  1. To go below the surface of water or another liquid:
  2. To become lower in value or amount; lessen, as prices, funds, etc.
  3. To fall or drop to a lower level, especially to go down slowly or in stages:
smash
To cause to come into forceful contact with something:
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  1. To cause to come into forceful contact with something:
  2. To break suddenly into pieces, as from a violent blow or collision:
  3. To surpass or outdo by a large margin:
spoil
To become unfit for use or consumption, as from decay. Used especially of perishables, such as food.
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  1. To become unfit for use or consumption, as from decay. Used especially of perishables, such as food.
  2. (Archaic) To strip (a person) of goods, money, etc. by force
  3. To impair or destroy the value or quality of; ruin:
torpedo
To destroy decisively; wreck:
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  1. To destroy decisively; wreck:
  2. To attack, damage, or destroy with or as with a torpedo
  3. To attack, strike, or sink with a torpedo.
wrack
(Archaic) To wreck or be wrecked
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  1. (Archaic) To wreck or be wrecked
  2. To cause the ruin of; wreck.
  3. To subject to extreme mental or physical suffering; torture
wreck
To bring to ruin or disaster; overthrow; thwart; defeat
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  1. To bring to ruin or disaster; overthrow; thwart; defeat
  2. To cause to undergo ruin or disaster:
  3. To suffer destruction or ruin; become wrecked:
total
To find the total of; add
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  1. To find the total of; add
  2. To equal a total of; amount to:
  3. To equal a total of; add up to
attenuate
(Electronics) To reduce the amplitude or strength of (an electrical signal)
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  1. (Electronics) To reduce the amplitude or strength of (an electrical signal)
  2. To reduce in force, value, amount, or degree; weaken:
  3. To become thin, weak, etc.
debilitate
To make weak or feeble; enervate
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  1. To make weak or feeble; enervate
  2. To sap the strength or energy of; enervate.
devitalize
To make listless or ineffective; lower the vitality of; weaken
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  1. To make listless or ineffective; lower the vitality of; weaken
  2. To diminish or destroy the strength or vitality of.
enervate
(Medicine) To remove a nerve or part of a nerve.
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  1. (Medicine) To remove a nerve or part of a nerve.
  2. To deprive of strength, force, vigor, etc.; weaken physically, mentally, or morally; devitalize; debilitate
  3. To weaken or destroy the strength or vitality of:
enfeeble
To deprive of strength; make feeble.
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  1. To deprive of strength; make feeble.
sap
To drain (a tree, for example) of sap.
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  1. To drain (a tree, for example) of sap.
  2. To drain of sap
  3. To dig a sap.
undermine
To weaken by wearing away a base or foundation:
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  1. To weaken by wearing away a base or foundation:
  2. To dig beneath; excavate ground from under, so as to form a tunnel or mine
  3. To injure, weaken, or impair, esp. by subtle, stealthy, or insidious means
unnerve
To make feel weak, nervous, etc.
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  1. To make feel weak, nervous, etc.
  2. To deprive of nerve, force, or strength; to weaken; to enfeeble.
  3. To cause to lose courage or firmness of purpose:
weaken
To make or become weak or weaker.
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  1. To make or become weak or weaker.
  2. (Intransitive) To become weaker.
debauch
To reduce the value, quality, or excellence of; debase:
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  1. To reduce the value, quality, or excellence of; debase:
  2. To indulge in dissipation.
  3. To seduce (someone).
seduce
To persuade to do something disloyal, disobedient, etc.
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  1. To persuade to do something disloyal, disobedient, etc.
  2. To induce (someone) to engage in sexual activity, as by flirting or persuasion.
  3. To attract or lead (someone) away from proper behavior or thinking:
Find another word for undo. In this page you can discover 83 synonyms, antonyms, idiomatic expressions, and related words for undo, like: untie, loosen, release, mar, destroy, ruin, wreck, break, bring to naught, subvert and injure.

Sentence Examples

  • It was too late to undo what he had done.

  • Maybe he could undo what he'd done.

  • We will do, completely do, and undo these scoundrels.

  • She looked him in the eye, silhouetted in the glow from beneath the door, the only light in the nearly dark room, and began to undo his belt.

  • I can't undo what I did, but I will promise you that it will never happen again.

More sentences →

Words that mention undo in the Dictionary

Words near undo in the Thesaurus