Synonyms for sinister

modified

evil, bad, corrupt, perverse, dishonest, inauspicious, menacing, foreboding, threatening, ominous, disastrous, malign, malignant, hurtful, harmful, injurious, baneful, baleful, obnoxious, dire, woeful, disastrous, pernicious, mischievous, deleterious, poisonous, adverse, unlucky, unfortunate, unfavorable, unpropitious; see also wicked 1, 2.

Antonyms fortunate*, lucky, opportune.

sinister applies to that which can be interpreted as presaging imminent danger or evil a sinister smile; baleful refers to that which is menacing to the degree of being deadly, destructive, pernicious, etc. a baleful influence; malign is applied to that which is regarded as having an inherent tendency toward evil or destruction a malign doctrine

See sinister in American Heritage Dictionary 4 Synonyms

See sinister in Webster's New World Roget's A-Z Thesaurus II

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Synonyms for sinister

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