Crazy synonyms

insane (related)

Exhibiting unsoundness or disorder of mind; not sane; mad; deranged in mind; delirious; distracted.

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absurd (related)

Impossible to take seriously; silly:

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cuckoo

The definition of a cuckoo is a type of grayish colored European bird that lays its eggs in the nests of other types of birds, the sound that this type of bird makes or is slang for a crazy person.

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mentally ill

Having a mental illness.

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nuts

Extremely enthusiastic:

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wacky

(Slang) Erratic, eccentric, or irrational; zany

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idiotic

Of, having the nature of, or characteristic of an idiot; very foolish or stupid

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off

Gone away; on the way

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lunatic

Lunatic is defined as someone or something that is wild, crazy or absurd.

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bananas

Out of one's mind; crazy:

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loco

At the pitch written. Used chiefly as a direction.

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nutty

Barmy, crazy, mad.

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stupid (related)

Lacking in intelligence or exhibiting the quality of having been done by someone lacking in intelligence.

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dotty

Having many dots.

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bonkers

(Informal) irrational, crazy

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maniacal

Characterized by excessive enthusiasm or excitement:

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nutty-as-a-fruitcake

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disordered

Physically or mentally ill.

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ding-a-ling

(Slang) A crazy, stupid, or eccentric person

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non compos mentis

Mentally incompetent.

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mad

(Slang) Excellent; wonderful:

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sane (related)

Of sound mind; mentally healthy:

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screwball

(Baseball) A pitch thrown with added pressure by the index finger and a twisting wrist motion resulting in a motion to the right when thrown by a right-handed pitcher.

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daft

(Scot.) Merry or frolicsome in a giddy way

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amok

To lose control of oneself and behave outrageously or violently

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weirdo

(Slang) A strange, odd, eccentric person.

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cockamamie

Ludicrous; nonsensical:

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psycho

(Colloquial or pejoative) Psychotic, or otherwise insane.

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moonstruck

Mentally deranged; crazy.

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unbalanced

(American football) an offensive line with more players on one side of the center than on the other

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dippy

Not sensible; foolish.

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dingbat

(Informal, former) A stone, stick, or other object suitable for throwing

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moronic

Showing foolishness or stupidity.

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nut

The usually edible seed of such a fruit.

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gung ho

Alternative spelling of gung ho.

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daffy

A little crazy

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crazed

Covered with cracks (generally applied to porcelain).

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meshuga

Alternative form of meshugge.

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maniac

Of, having, or showing mania; maniacal

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sick in the head

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nutcase

A crazy or eccentric person.

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loony

A foolish or crazy person.

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demented

Insane or mentally ill.

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flaky

(Informal, of a person) Unreliable; prone to make plans with others but then abandon those plans.

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deranged

Disturbed or upset, especially mentally

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kook

(Surfing, kiteboarding, wakeboarding etc.) A board sport participant who has poor style or skill.

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rabid

Affected with rabies.

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dopey

Under the influence of a narcotic

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out-of-one-s-mind

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zealous

Full of zeal; ardent, fervent; exhibiting enthusiasm or strong passion.

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jerky

(Slang) Foolish; silly:

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gaga

(Informal) Crazy.

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imbecilic

Like or as an imbecile; so senseless as to be laughable; absurd, foolish, stupid, idiotic.

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weirdie

(Informal) Someone or something weird.

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shaky

Shaking or trembling.

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rickety

Weak in the joints; tottering

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touched

Slightly demented or unbalanced

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fervent

Having or showing emotional warmth, fervor, or passion.

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responsible (antonym)

Liable to be required to give account, as of one's actions or of the discharge of a duty or trust:

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keen

Bitter; piercing; acrimonious; cutting; stinging; severe; as, keen satire or sarcasm.

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loopy

Consisting of or having many loops:

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sappy

(US) Excessively sweet, emotional, nostalgic; cheesy; mushy. (British equivalent: soppy)

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smart (antonym)

Energetic or quick in movement:

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enthusiastic

Having or showing enthusiasm; ardent

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meshugga

Alternative form of meshugge.

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wrong

Contrary to conscience, morality, or law:

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eccentric

An odd or unconventional person

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not all there

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bats in the belfry

So senseless as to be laughable

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dislike (antonym)

infatuated, in love

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reasonable (antonym)

Capable of reasoning; rational:

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around-the-bend

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desirous

Having or expressing desire; desiring:

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foolish

Capable of arousing laughter; absurd or ridiculous:

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bizarre

The definition of bizarre is a very strange person or thing.

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dilapidated

Having fallen into a state of disrepair or deterioration, especially through neglect

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frantic

Highly excited with strong emotion or frustration; frenzied:

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goofy

(Informal) Like or characteristic of a goof; stupid and silly

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inane

The definition of inane is someone or something that is dumb, pointless, silly or stupid.

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sensible (antonym)

(Archaic) Liable to external impression; easily affected; sensitive.

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nonsensical

Lacking intelligible meaning:

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tomfool

Extremely foolish or stupid.

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softheaded

Lacking judgment, realism, or firmness.

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disturbed

Unsettled, broken up, or altered in structure or function:

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sick

(Colloquial) In bad taste.

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eager

The definition of eager is ready and impatient to do something.

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senseless

Deficient in sense; foolish or stupid.

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strange

The definition of strange is an unfamiliar or unusual person, place or thing.

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rational (antonym)

Consistent with or based on reason or good judgment; logical or sensible:

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hate (antonym)

Based on, expressing, or characterized by hatred, esp. hatred of a particular race, religion, etc.

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buggy

(Slang) Mentally ill; insane

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balmy

(Chiefly Brit., Slang) Crazy or foolish

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crazy as a loon

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mad-as-a-hatter

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stark-raving-mad

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ability (related)

So senseless as to be laughable

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wild

Exposed to the wind and sea; unsheltered.

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unhinged

(Philately) (of a stamp) not having ever been mounted using a stamp hinge.

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looney

An Irish surname, common in the south west of the country.

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crackpot

By or characteristic of a crackpot

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silly

Having or showing little sense, judgment, or sobriety; foolish, stupid, absurd, ludicrous, irrational, etc.

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unsound

Not based on truth or valid reasoning; not accurate, reliable, sensible, etc.

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zany

Foolish or crazy

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off (or out of) one's head

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knowledge (related)

So senseless as to be laughable

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weird

Strikingly odd or unusual, especially in an unsettling way; strange:

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concern (related)

Showing or having enthusiasm

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cracked

(Of a voice) Harsh or dissonant.

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decrepit

Weakened or worn out from age or wear

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delirious

Wildly excited

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fanatical

Having an extreme, irrational zeal or enthusiasm for a specific cause

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harebrained

Having or showing little sense; foolish:

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infatuated

The definition of infatuated is having a fascination or intense liking for something.

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preposterous

Absurd, or contrary to common sense.

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tottering

Unsteady, precarious or rickety.

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realistic (antonym)

Relating to the representation of objects, actions or conditions as they actually are or were.

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believable (antonym)

Capable of eliciting belief or trust.

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brainsick

Of, relating to, or induced by a mental disorder.

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distraught

Deeply hurt, saddened, or worried; distressed.

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fruity

Like fruit in taste or smell

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ardent

The definition of ardent is a deep level of enthusiasm or passion.

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half-baked

(Idiomatic, informal, frequently derisive) Incomplete; (of an idea or scheme) not fully planned or carefully considered, ill-conceived, unsound or badly thought-out; (of a person) foolish or having no common sense.

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batty

Mentally deranged; crazy.

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crack-brained

So senseless as to be laughable

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dementate

(Obsolete) Deprived of reason.

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distracted

Unable to give proper attention to or concentrate on, as because of mental disturbance, anxiety, etc.

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erratic

Unsteady, random; prone to unexpected changes; not consistent

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haywire

The definition of haywire is something that has gone wrong or that is not working correctly.

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balanced (antonym)

Containing elements in appropriate proportion.

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screwy

Mentally unbalanced; crazy

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warm

Predominantly red or yellow in tone:

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crank

An eccentric person, especially one who is unduly zealous.

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loon

(US, Canada) Any of various birds, of the order Gaviiformes, of North America and Europe that dive for fish and have a short tail, webbed feet and a yodeling cry.

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off-one-s-rocker

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crackers

(UK, informal) Crazy; mad.

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unearthly

Ridiculous, ludicrous, or outrageous.

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cockeyed

(US, informal) Absurd, silly, or stupid; usually used in reference to ideas rather than people.

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of unsound mind

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wise (related)

Method or manner of doing; way:

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freaky (related)

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scary (related)

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crap (related)

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naughty (related)

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wicked (related)

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Crazy synonyms

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