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Definition of 'sinister'

Adjective

  1. threatening or foreshadowing evil or tragic developments; "a baleful look"; "forbidding thunderclouds"; "his tone became menacing"; "ominous rumblings of discontent"; "sinister storm clouds"; "a sinister smile"; "his threatening behavior"; "ugly black clouds"; "the situation became ugly"
       Synonyms: baleful forbidding menacing minacious minatory ominous threatening
  2. stemming from evil characteristics or forces; wicked or dishonorable; "black deeds"; "a black lie"; "his black heart has concocted yet another black deed"; "Darth Vader of the dark side"; "a dark purpose"; "dark undercurrents of ethnic hostility"; "the scheme of some sinister intelligence bent on punishing him"-Thomas Hardy
       Synonyms: black dark
  3. on or starting from the wearer's left; "bar sinister"


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