sinister
[sin-uh-ster]
/ ˈsɪn ə stər /
ADJECTIVE
nasty, menacing
Synonyms
STRONGEST
WEAK
adverse
apocalyptic
bad
baleful
baneful
blackhearted
corrupt
deleterious
disastrous
dishonest
disquieting
doomful
foreboding
harmful
hurtful
ill-boding
inauspicious
injurious
lowering
malefic
malign
malignant
obnoxious
pernicious
poisonous
portentous
unfavorable
unfortunate
unlucky
unpropitious
woeful
Antonyms
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.