7 entries under jittery topic. ×
| imperturbable(adjective, calm, collected) | |
| unexcitable | |
| cool as cucumber(expression, idiom) | |
| disimpassioned | |
| hard as nails(expression, idiom) | |
| roll with punches(expression, idiom) | |
| stoical |
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| APA | Smart Define. (2016). irritable thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/irritable/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "irritable thesaurus" https://smartdefine.org/irritable/thesaurus/antonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, irritable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/irritable/thesaurus/antonyms>. |
| MLA | Smart Define. "irritable thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/irritable/thesaurus/antonyms> |