Synonyms for Sinister

Synonyms starting with letter A

• adverse

  harmful, nasty
• alarming

  menacing
• awful

  terrible
• angry
• atrocious
• antagonistic
• apocalyptic

  nasty
• appalling
• abominable
• awesome
• acrimonious
• austere
• annoying
• agitating
• aggravating
• ashen
• arrant
• ambiguous
• ancillary
• antipathetic
• augural
• abhorrent
• astounding
• aggressive
• at hand
• awkward
• ambilevous
• abnormal
• aspersive
• appearance
• atramentous
• abysmal
• artful
• astute
• abusive
• anticlockwise