172 entries under changeable topic. ×
| ill-humored | |
| ill-tempered | |
| in a huff(expression, idiom, temperamental) | |
| in the doldrums(expression, idiom, temperamental) | |
| incalculable(irregular, unpredictable, unreliable, erratic) | |
| irrepressible(lively, unpredictable, temperamental) | |
| lighthearted(lively, unpredictable, temperamental) | |
| lugubrious | |
| melancholy | |
| miserable | |
| moping | |
| morose | |
| offended | |
| out of sorts(expression, idiom, temperamental) | |
| pensive | |
| petulant(unpredictable, unreliable, fickle, erratic) | |
| piqued | |
| saturnine | |
| short-fuse(lively, unpredictable, temperamental) | |
| short-tempered |
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| APA | Smart Define. (2016). unstable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unstable/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "unstable thesaurus" https://smartdefine.org/unstable/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, unstable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unstable/thesaurus/synonyms>. |
| MLA | Smart Define. "unstable thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/unstable/thesaurus/synonyms> |