Deadly synonyms
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Causing ruin or destruction; disastrous:
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- Causing ruin or destruction; disastrous:
- Very destructive; most unfortunate; disastrous
- Deadly, causing actual or metaphorical death; causing the undoing of a claim, assertion, or legal document (“a fatal flaw in the pleading”). See also fatal defect. Deadly, causing actual or metaphorical death; causing the undoing of a claim, assertion, or legal document (“a fatal flaw in the pleading”). See also fatal defect.
Capable of, guilty of, or intending murder:
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- Capable of, guilty of, or intending murder:
- (Informal) Very difficult, disagreeable, dangerous, trying, etc.
- (Informal) Capable of devastating or overwhelming:
Causing or capable of causing death; fatal or deadly
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- Causing or capable of causing death; fatal or deadly
- Extremely harmful; devastating:
Of a human being considered as a being who must eventually die
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- Of a human being considered as a being who must eventually die
- Relentlessly hostile; implacable:
- Liable or subject to death; not immortal:
Causing death; fatal.
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- Causing death; fatal.
- Like or characteristic of death
Of, affected by, or caused by a toxin, or poison
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- Of, affected by, or caused by a toxin, or poison
- Capable of causing injury or death, especially by chemical means; poisonous:
- Relating to or caused by a toxin or other poison:
Having a tendency to homicide; murderous
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- Having a tendency to homicide; murderous
- Of, having the nature of, or characterized by homicide
- Capable of or conducive to homicide:
Of, like, or containing blood
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- Of, like, or containing blood
- Involving bloodshed; with much killing or wounding
- Accompanied by or giving rise to bloodshed:
Harmful to the mind or morals; corrupting:
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- Harmful to the mind or morals; corrupting:
- Morally injurious; corrupting; unwholesome
- Harmful to living things; injurious to health:
Merely negative; not helpful
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- Merely negative; not helpful
- Causing or producing destruction; destroying
- Tending or likely to cause destruction
Malicious; spiteful:
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- Malicious; spiteful:
- Full of or containing venom:
- Harmful or destructive:
Harmful to health or well-being; injurious
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- Harmful to health or well-being; injurious
- Having a harmful effect; injurious:
- Harmful often in a subtle or unexpected way (as for example deleterious effects, deleterious to health).
Portending evil; ominous:
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- Portending evil; ominous:
- Miserable, wretched, distressed, suffering.
- Harmful or threatening harm or evil; ominous; deadly
- Harmful, malevolent, injurious.
- Causing or likely to cause death
- Very harmful, dangerous, or virulent
A position in a circuit or device at which a connection can be made or broken.
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- A position in a circuit or device at which a connection can be made or broken.
- (Computer Science) A device, often equipped with a keyboard and a video display, by which one can read, enter, or manipulate information in a computer system.
- Causing, ending in, or approaching death; fatal:
Able to overcome the natural defenses of the host; highly infectious
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- Able to overcome the natural defenses of the host; highly infectious
- (Med.) Violent and rapid in its course; highly malignant
- Characterized by, causing, or promoting the rapid onset of severe illness. Used of a disease or toxin.
Causing or tending to cause injury; harmful:
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- Causing or tending to cause injury; harmful:
- Offensive or insulting; hurtful:
- Injuring or likely to cause injury; harmful
Like or constituting a pestilence; widespread and deadly
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- Like or constituting a pestilence; widespread and deadly
- Of, causing, or likely to cause pestilence or infection
- Pernicious; dangerous; harmful
Morally evil or deadly; pernicious.
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- Morally evil or deadly; pernicious.
- Bringing or carrying disease
- (Informal) Annoying; mischievous; bothersome
Of, involving, or leading to suicide
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- Of, involving, or leading to suicide
- Rash to the point of being very dangerous
- Dangerous to oneself or to one's interests; self-destructive or ruinous:
Characterized by violence or carnage:
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- Characterized by violence or carnage:
- Eager to hurt or kill; murderous; very cruel
- Eager to cause or see the shedding of blood.
Tending toward cannibalism.
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- Tending toward cannibalism.
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(Informal) Very funny or comical
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- (Informal) Very funny or comical
- Thoroughly exhausting:
- Causing or apt to cause death; fatal:
Portending harm; ominous.
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- Portending harm; ominous.
- Causing harm, ruin, or death; harmful.
(Rare) Wicked; evil
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- (Rare) Wicked; evil
- Causing great injury, destruction, or ruin; fatal; deadly
- Tending to cause death or serious injury; deadly:
Causing or able to cause harm; hurtful
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- Causing or able to cause harm; hurtful
- Causing or capable of causing harm; injurious.
Characterized by extreme emotion, especially anger:
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- Characterized by extreme emotion, especially anger:
- Causing or intending to cause damage, injury, or death, often when involving great force:
- Caused by unexpected force or injury rather than by natural causes:
Invariably occurring or appearing; predictable:
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- Invariably occurring or appearing; predictable:
- That cannot be avoided or evaded; certain to happen
For making holes
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- For making holes
- Uninteresting and tiresome; dull.
- Dull, tiresome, etc.
(Obsolete) Moving or progressing very slowly.
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- (Obsolete) Moving or progressing very slowly.
- Tiresome by reason of length, slowness, or dullness; boring.
- Full of tedium; long or verbose and wearisome; tiresome; boring
Causing fatigue or boredom, as from being unvarying or overly long; wearisome.
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- Causing fatigue or boredom, as from being unvarying or overly long; wearisome.
- Annoying; irksome
- Tiring; boring; tedious
healthful
(antonym)
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reviving
(antonym)
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beneficial
(antonym)
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dangerous
(related)
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destructive
(related)
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dull
(related)
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Causing death; fatal.
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- Causing death; fatal.
- Like or characteristic of death
Concerning or determining one's fate:
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- Concerning or determining one's fate:
- Deadly, causing actual or metaphorical death; causing the undoing of a claim, assertion, or legal document (“a fatal flaw in the pleading”). See also fatal defect. Deadly, causing actual or metaphorical death; causing the undoing of a claim, assertion, or legal document (“a fatal flaw in the pleading”). See also fatal defect.
- Causing ruin or destruction; disastrous:
Extremely harmful; devastating:
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- Extremely harmful; devastating:
- Causing or capable of causing death; fatal or deadly
Conceivable; imaginable:
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- Conceivable; imaginable:
- Liable or subject to death; not immortal:
- Relentlessly hostile; implacable:
Used or done on a living cell or tissue:
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- Used or done on a living cell or tissue:
- Necessary to the continuation of life; life-sustaining:
- Concerned with or recording data pertinent to lives:
Suggestive of death; corpselike:
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- Suggestive of death; corpselike:
- Emaciated; gaunt:
- Of or like a cadaver; esp., pale, ghastly, or gaunt and haggard
Of, resembling, or characteristic of death:
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- Of, resembling, or characteristic of death:
- Like or characteristic of death
Horrible; frightful
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- Horrible; frightful
- Like a ghost in appearance; deathlike; pale; pallid; dismal.
- Causing shock, revulsion, or horror; terrifying:
Of or relating to the soul or spirit; spiritual.
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- Of or relating to the soul or spirit; spiritual.
- Of, like, or characteristic of a ghost; spectral
- Of, relating to, or resembling a ghost, a wraith, or an apparition; spectral.
Of or caused by a spectrum or spectra
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- Of or caused by a spectrum or spectra
- Of, relating to, or produced by a spectrum.
- Of, or pertaining to, spectra.
Portending harm; ominous.
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- Portending harm; ominous.
- Causing harm, ruin, or death; harmful.
Not benign; specif., cancerous
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- Not benign; specif., cancerous
- Harmful, malevolent, injurious.
- Tending to metastasize:
Harmful to the mind or morals; corrupting:
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- Harmful to the mind or morals; corrupting:
- Harmful to living things; injurious to health:
- Morally injurious; corrupting; unwholesome
(Rare) Wicked; evil
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- (Rare) Wicked; evil
- Causing great injury, destruction, or ruin; fatal; deadly
- Tending to cause death or serious injury; deadly:
Likely to cause death; deadly
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- Likely to cause death; deadly
- (Rare) Contagious; pestilential
- Causing or likely to cause epidemic disease:
Producing pestilence or plague; pestilent
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- Producing pestilence or plague; pestilent
- Of, causing, or likely to cause pestilence or infection
- Pernicious; dangerous; harmful
Extremely poisonous or injurious; deadly
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- Extremely poisonous or injurious; deadly
- Extremely hostile or malicious:
- Characterized by, causing, or promoting the rapid onset of severe illness. Used of a disease or toxin.
live
(related)
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live
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help
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Synonym Study
- Lethal is applied to that which in its nature or purpose is a cause of death a lethal weapon, a lethal dose
- Mortal implies that death has occurred or is about to occur and is applied to the immediate cause of death he has received a mortal blow
- Fatal implies the inevitability or actual occurrence of death or disaster a fatal disease, a fatal mistake
- Deadly is applied to a thing that can and probably (but not inevitably) will cause death a deadly poison
Find another word for deadly. In this page you can discover 63 synonyms, antonyms, idiomatic expressions, and related words for deadly, like: fatal, murderous, lethal, mortal, deathly, poisonous, toxic, homicidal, bloody, noxious and destructive.
