Synonyms|1.3kAntonyms|204|Broader|26Narrower|7Related|804

166 entries under unstable topic. ×

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dismal(melancholy, miserable, changeable, temperamental)
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doleful(melancholy, miserable, changeable, temperamental)
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dour(changeable, temperamental)
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downcast(melancholy, miserable, changeable, temperamental)
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emotional(unpredictable, unreliable, fickle)
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excitable(adjective, passionate, unpredictable, unreliable)
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gloomy(changeable, temperamental)
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glum(changeable, temperamental)
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grumpy(changeable, temperamental)
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high-strung(unpredictable, unreliable, fickle)
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lugubrious(melancholy, miserable, changeable, temperamental)
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melancholy(miserable, changeable, temperamental, downcast)
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morose(changeable, temperamental)
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nobody home(expression, disturbed, unhinged)
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non compos mentis(expression, idiom, disturbed, unhinged)
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not all there(expression, idiom, disturbed, unhinged)
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out of sorts(expression, idiom, changeable, temperamental)
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pensive(melancholy, miserable, changeable, temperamental)
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psychotic(disturbed, unhinged)
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revocable(unsettled, variable)
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APASmart Define. (2016). erratic thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/erratic/thesaurus/synonyms
ChicagoSmart Define. 2016. "erratic thesaurus" https://smartdefine.org/erratic/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, erratic thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/erratic/thesaurus/synonyms>.
MLASmart Define. "erratic thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/erratic/thesaurus/synonyms>