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

[ Syn: baleful , forbidding , menacing , minacious , minatory , ominous , threatening ]

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

[ Syn: black , dark ]

on or starting from the wearer's left; bar sinister'