120 entries under behavior topic. ×

3
cross(adjective, bad, unhappy, negative)
3
dim(adjective, light, lively, negative)
3
disgusted(adjective, negative, fresh, emotion)
3
distraught(adjective, upset, negative, emotion)
3
fed up(adjective, negative, emotion)
3
ill-humored(adjective, negative, emotion)
3
peeved(adjective, negative, emotion)
3
pessimistic(adjective, negative, emotion, optimistic)
3
vexed(adjective, negative, emotion)
3
whining(verb, adjective, negative, emotion)
3
wrathful(adjective, negative, emotion, angry)
2
drab(adjective, negative, emotion)
2
ill-tempered(adjective, pleasant, negative, emotion)
2
indignant(adjective, negative, emotion, angry)
2
irritable(adjective, negative, emotion, crabby)
2
irritated(adjective, negative, emotion)
2
livid(adjective, negative, emotion, angry)
2
slow(adjective, negative, emotion)
2
sore(adjective, easy, negative, emotion)
2
aggravated(adjective, negative, emotion)
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APASmart Define. (2016). happy thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/happy/thesaurus/antonyms
ChicagoSmart Define. 2016. "happy thesaurus" https://smartdefine.org/happy/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2016, happy thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/happy/thesaurus/antonyms>.
MLASmart Define. "happy thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/happy/thesaurus/antonyms>