unfavorable, poisonous, unlucky, mischievous, malign, hurtful, harmful, injurious, evil, dishonest, corrupt, disastrous
In the ordinary useage of the word "ominous", you could substitute it with its synonyms: fateful, sinister, threatening or menacing. Hope that helps.
A bar sinister is a non-standard term in heraldry for a bend sinister or baton sinister, found on a coat of arms.
Sinister--suggesting evil or trouble her sinister smile showed people she didn't have good intentions
Context clues are clues in the surrounding sentences that help you figure out an unknown word. Example: say you do not know what sinister means..... The sinister man spits on puppy's and steals other peoples belongings. From this sentence you can conclude sinister means bad/evil.
Sinister = LeftDexter = Right
Vic Sinister is 165 cm.
The Sinister Pig was created in 2003.
Sinister Beauty was created in 2007.
Mister Sinister was created in 1987.
Sandbar Sinister was created in 1934.
Sinister Barrier was created in 1943.
Sinister Syndicate was created in 1986.