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Sinister synonyms

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Characterized by or indicating future misfortune; ominous:
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  1. Characterized by or indicating future misfortune; ominous:
  2. Bad or blameworthy by report; infamous:
  3. Morally bad or wrong; wicked:
Immoral or evil.
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  1. Immoral or evil.
  2. Full of or exhibiting faults or errors:
  3. Being in poor condition; diseased:
(Obs.) Changed from a sound condition to an unsound one; spoiled; contaminated; rotten
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  1. (Obs.) Changed from a sound condition to an unsound one; spoiled; contaminated; rotten
  2. Containing errors or alterations, especially ones that prevent proper understanding or use:
  3. Morally unsound or debased; perverted; evil; depraved
Having an effect opposite to what is intended or expected:
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  1. Having an effect opposite to what is intended or expected:
  2. Willfully opposing or resisting what is right, expected, or reasonable:
  3. Deviating from what is considered right or good; wrong, improper, etc. or corrupt, wicked, etc.; specif., sexually perverted
Disposed to lie, cheat, defraud, or deceive.
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  1. Disposed to lie, cheat, defraud, or deceive.
  2. Not honest; lying, cheating, etc.
  3. Resulting from or marked by a lack of honesty.
Not favorable; not auspicious.
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  1. Not favorable; not auspicious.
  2. Not auspicious; unfavorable; unlucky; ill-omened
  3. Not auspicious; ill-omened; unfortunate; unlucky; unfavorable.
Characterized by foreboding
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  1. Characterized by foreboding
  2. Ominous.
  1. Presenting a threat; menacing; frightening.
  2. Causing the feeling that one's power, social standing, or self-esteem is in danger of being diminished:
  3. Gving warning signs of bad weather:
Menacing; threatening:
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  1. Menacing; threatening:
  2. Of or being an omen, especially an evil one.
  3. Of or serving as an omen; esp., having the character of an evil omen; threatening; sinister
Of the nature of a disaster; causing great harm, damage, etc.; calamitous
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  1. Of the nature of a disaster; causing great harm, damage, etc.; calamitous
  2. Accompanied by or causing distress or disaster; calamitous.
  3. Extremely bad; terrible:
Showing ill will; malicious
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  1. Showing ill will; malicious
  2. Intending or threatening harm or ill will; malevolent:
  3. Evil or harmful in nature or effect:
Causing or likely to cause death
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  1. Causing or likely to cause death
  2. Very harmful, dangerous, or virulent
  3. Wishing evil; very malevolent or malicious
Damaging or harmful:
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  1. Damaging or harmful:
  2. Causing hurt; specif., wounding the feelings
  3. Causing pain or suffering, especially of a psychological nature.
Causing or able to cause harm; hurtful
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  1. Causing or able to cause harm; hurtful
  2. Causing or capable of causing harm; injurious.
Causing or tending to cause injury; harmful:
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  1. Causing or tending to cause injury; harmful:
  2. Offensive or insulting; hurtful:
  3. Injuring or likely to cause injury; harmful
Causing harm, ruin, or death; harmful.
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  1. Causing harm, ruin, or death; harmful.
  2. Portending harm; ominous.
Portending evil; ominous:
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  1. Portending evil; ominous:
  2. Miserable, wretched, distressed, suffering.
  3. Harmful or threatening harm or evil; ominous; deadly
(Archaic) Deserving of or liable to censure.
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  1. (Archaic) Deserving of or liable to censure.
  2. Very unpleasant; objectionable; offensive
  3. (Originally) Exposed or liable to injury, evil, or harm
Arousing terror or causing extreme distress; dreadful; terrible
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  1. Arousing terror or causing extreme distress; dreadful; terrible
  2. Warning of or having dreadful or terrible consequences; calamitous:
  3. Calling for quick action; urgent
  1. Wretched; paltry; poor
  2. Affected by or full of woe; mournful:
  3. Deplorably bad:
Causing great injury, destruction, or ruin; fatal; deadly
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  1. Causing great injury, destruction, or ruin; fatal; deadly
  2. Tending to cause death or serious injury; deadly:
  3. (Rare) Wicked; evil
Injurious; harmful
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  1. Injurious; harmful
  2. Troublesome, cheeky, badly behaved.
  3. Troublesome; irritating:
Harmful to health or well-being; injurious
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  1. Harmful to health or well-being; injurious
  2. Having a harmful effect; injurious:
  3. Harmful often in a subtle or unexpected way (as for example deleterious effects, deleterious to health).
(Of an animal) Inedible due to containing poison; poisonous to eat
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  1. (Of an animal) Inedible due to containing poison; poisonous to eat
  2. Containing sufficient poison to be dangerous
  3. Full of ill will; malicious or spiteful:
Moving in an opposite or opposing direction:
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  1. Moving in an opposite or opposing direction:
  2. Acting or serving to oppose; antagonistic:
  3. Contrary to one's interests or welfare; harmful or unfavorable:
Resulting or likely to result in misfortune; inauspicious:
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  1. Resulting or likely to result in misfortune; inauspicious:
  2. Having ill luck
  3. Not lucky; having, attended with, bringing, or involving bad luck; unfortunate, ill-fated, or ill-omened
Regrettable; deplorable:
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  1. Regrettable; deplorable:
  2. Not favored by fortune
  3. Having bad luck; unlucky
Adverse, contrary, or disadvantageous
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  1. Adverse, contrary, or disadvantageous
  2. Disadvantageous, adverse, unsuitable, inconducive; serving to hinder or oppose.
  3. (Of wind or weather) Causing obstacles or delay; not conducive to travel or work; inclement.
Miserable, wretched, distressed, suffering.
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  1. Miserable, wretched, distressed, suffering.
  2. Harmful or malignant in intent or effect:
  3. Harmful or threatening harm or evil; ominous; deadly
Evil or harmful in nature or effect:
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  1. Evil or harmful in nature or effect:
  2. Intending or threatening harm or ill will; malevolent:
  3. Very harmful; malignant

Synonym Study

  • Malign is applied to that which is regarded as having an inherent tendency toward evil or destruction a malign doctrine
  • Baleful refers to that which is menacing to the degree of being deadly, destructive, pernicious, etc. a baleful influence
  • Sinister applies to that which can be interpreted as presaging imminent danger or evil a sinister smile
Find another word for sinister. In this page you can discover 37 synonyms, antonyms, idiomatic expressions, and related words for sinister, like: evil, bad, corrupt, perverse, dishonest, inauspicious, menacing, foreboding, threatening, ominous and disastrous.