- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
| optimistic(adjective, positively) | |
| confident(adjective, weak, feelings, timid, emotions) | |
| cheerful(adjective, upset, dull, sad, feelings) | |
| rosy | |
| bullish(adjective, feelings, emotions) | |
| upbeat(adjective, feelings, gloomy, doubtful, emotions) | |
| hopeful(adjective, feelings, emotions, optimistic, expectant) | |
| bright(adjective, feelings, emotions, optimistic) | |
| sanguine(adjective, happy, feelings, emotions, optimistic) | |
| encouraging(adjective, feelings, emotions, optimistic) | |
| trusting(adjective, optimistic) | |
| auspicious(adjective, feelings, emotions) | |
| heartening | |
| buoyant(adjective, feelings, emotions) | |
| enthusiastic(adjective, excited, interested) | |
| idealistic(adjective, negative emotions) | |
| positive(adjective, feelings, emotions) | |
| happy(adjective, optimistic) | |
| chipper | |
| propitious(adjective, feelings, emotions) |
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| APA | Smart Define. (2016). pessimistic thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/pessimistic/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "pessimistic thesaurus" https://smartdefine.org/pessimistic/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, pessimistic thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/pessimistic/thesaurus/antonyms>. |
| MLA | Smart Define. "pessimistic thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/pessimistic/thesaurus/antonyms> |