Sinister Definition
sĭnĭ-stər
adjective
Threatening harm, evil, or misfortune; ominous; portentous.
Sinister storm clouds.
Webster's New World
Portending misfortune or disaster; ominous.
Sinister storm clouds.
American Heritage
Wicked, evil, or dishonest, esp. in some dark, mysterious way.
A sinister plot.
Webster's New World
On, to, or toward the left-hand side; left.
Webster's New World
Attended by or causing misfortune or disaster.
American Heritage
Synonyms:
Antonyms:
Origin of Sinister
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