Synonyms|819Antonyms|516|Broader|6Narrower|0Related|1.5k
3
sinister
3
strong
3
unfavorable
3
venomous
2
detrimental
2
evil
2
fierce
2
forbidding
2
antagonistic
2
caustic
2
deadly
2
destructive
2
fatal
2
forceful
2
forcible
2
intense
2
lethal
2
malevolent
2
narcissistic
2
niggardly
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APASmart Define. (2016). benign thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/benign/thesaurus/antonyms
ChicagoSmart Define. 2016. "benign thesaurus" https://smartdefine.org/benign/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, benign thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/benign/thesaurus/antonyms>.
MLASmart Define. "benign thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/benign/thesaurus/antonyms>