4
heartache(noun, state, feeling, pain, joy)
4
hopelessness(noun, state, feeling, pain, anguish)
4
ill-being(noun, state, feeling, unhappiness, agony)
4
improperness(noun, state, feeling, unhappiness, agony)
4
impropriety(noun, state, feeling, unhappiness, agony)
4
inapplicability(noun, state, feeling, unhappiness, agony)
4
inappositeness(noun, state, feeling, unhappiness, agony)
4
inappropriateness(noun, state, feeling, unhappiness, agony)
4
inaptness(noun, state, feeling, unhappiness, agony)
4
incompatibility(noun, state, feeling, unhappiness, agony)
4
incongruence(noun, state, feeling, unhappiness, agony)
4
incongruousness(noun, state, feeling, unhappiness, agony)
4
inexpedience(noun, state, feeling, unhappiness, agony)
4
inexpediency(noun, state, feeling, unhappiness, agony)
4
inharmoniousness(noun, state, feeling, unhappiness, agony)
4
irrelevance(noun, state, feeling, unhappiness, agony)
4
irrelevancy(noun, state, feeling, unhappiness, agony)
4
lack of success(expression, idiom, help, aid, boon)
4
meaninglessness(noun, state, feeling, unhappiness, agony)
4
ordeal(noun, trouble, comfort, suffering)
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APASmart Define. (2016). happiness thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/happiness/thesaurus/antonyms
ChicagoSmart Define. 2016. "happiness thesaurus" https://smartdefine.org/happiness/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2016, happiness thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/happiness/thesaurus/antonyms>.
MLASmart Define. "happiness thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/happiness/thesaurus/antonyms>