Synonyms|819Antonyms|516|Broader|6Narrower|0Related|1.5k
4
rough(adjective, harsh)
4
savage(adjective, cruel, vicious)
4
unfriendly(adjective, rough, harsh)
4
wicked
3
cruel
3
disadvantageous(adjective, rough, harsh)
3
grim
3
gruff
3
ill
3
inauspicious
3
jejune
3
menacing
3
mischievous
3
nasty
3
noxious
3
ominous
3
pernicious
3
poisonous
3
prejudicial
3
querulous
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APASmart Define. (2016). benign thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/benign/thesaurus/antonyms
ChicagoSmart Define. 2016. "benign thesaurus" https://smartdefine.org/benign/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, benign thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/benign/thesaurus/antonyms>.
MLASmart Define. "benign thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/benign/thesaurus/antonyms>