Synonyms|462Antonyms|79|Broader|9Narrower|17Related|1.3k

106 entries under fickle topic. ×

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high-strung(unstable, unpredictable, unreliable, erratic)
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hollow(adjective, unpredictable, variable, fly-by-night)
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implausible(adjective, unpredictable, variable, fly-by-night)
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inaccurate(adjective, unpredictable, variable, fly-by-night)
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irritable(unstable, unpredictable, unreliable, erratic)
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jumpy(excited, nervous, fearful, insecure)
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lightheaded(excited, unreliable, changeable, fearful)
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lively(excited, unreliable, changeable, fearful)
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meretricious(adjective, unpredictable, variable, fly-by-night)
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mistaken(adjective, unpredictable, variable, fly-by-night)
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neurotic(adjective, passionate, unstable, unpredictable, unreliable)
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not true(expression, adjective, unpredictable, variable)
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not trustworthy(expression, adjective, unpredictable, variable)
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peppy(excited, fearful)
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playful(excited, fearful)
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pretended(adjective, unpredictable, variable, fly-by-night)
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pseudo(adjective, unpredictable, variable, fly-by-night)
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sham(adjective, unpredictable, variable, fly-by-night)
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specious(adjective, unpredictable, variable, fly-by-night)
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thin-skinned(unstable, unpredictable, unreliable, erratic)
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APASmart Define. (2016). undependable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/undependable/thesaurus/synonyms
ChicagoSmart Define. 2016. "undependable thesaurus" https://smartdefine.org/undependable/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, undependable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/undependable/thesaurus/synonyms>.
MLASmart Define. "undependable thesaurus" 4 March 2016. Web. 26 September 2026. <https://smartdefine.org/undependable/thesaurus/synonyms>