9
bad
8
unfavorable(adjective, good, bad, agreeable)
8
not good
6
harmful(adjective, good, harmless)
5
disadvantageous(adjective, good)
5
inauspicious(adjective, promising, ominous, unpromising)
5
injurious(adjective, good, beneficial)
5
not helpful
5
unfriendly
4
adverse(adjective, antagonistic, unfavorable)
4
antagonistic
4
baneful
4
damaging
4
derogatory(adjective, offensive, uncomplimentary, complimentary)
4
detrimental(adjective, good, beneficial)
4
disapproving
4
hostile(adjective, good, friendly)
4
negative(adjective, positive)
4
unfortunate(good, lucky)
3
baleful(adjective, menacing)
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APASmart Define. (2016). favorable thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/favorable/thesaurus/antonyms
ChicagoSmart Define. 2016. "favorable thesaurus" https://smartdefine.org/favorable/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, favorable thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/favorable/thesaurus/antonyms>.
MLASmart Define. "favorable thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/favorable/thesaurus/antonyms>