| bemused(crazy, psychotic) | |
| beside yourself(expression, adjective, upset, agitated, distressed) | |
| blithering(adjective, insane) | |
| bothered(upset, anxious, mad, worried, agitated) | |
| brain-sick(adjective, insane) | |
| captious | |
| certifiable | |
| chaotic(adjective, rough, wild, foolish, crazy) | |
| charged(adjective, happy, passionate, enthusiastic, excited) | |
| cheerful | |
| cheery | |
| clownish | |
| comic | |
| concerned(upset, anxious, worried, agitated, tense) | |
| contrary | |
| convulsive(adjective, upset, wild, excited, agitated) | |
| crack-brained(adjective, insane) | |
| crackbrained(crazy, psychotic) | |
| crotchety | |
| daffy |
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| APA | Smart Define. (2015). hysterical thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/hysterical/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hysterical thesaurus" https://smartdefine.org/hysterical/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, hysterical thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/hysterical/thesaurus/synonyms>. |
| MLA | Smart Define. "hysterical thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/hysterical/thesaurus/synonyms> |