218 entries under adjective topic. ×

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fake(false, dishonest, deceitful, unpredictable)
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fallible(unpredictable, hollow, fickle, variable)
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false-hearted
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fickle(unpredictable, variable, undependable, fly-by-night)
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fly-by-night(unpredictable, fickle, variable, undependable)
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hallucinatory(unpredictable, hollow, fickle, variable)
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hollow(unpredictable, fickle, variable, undependable)
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hoodwinking(false, deceitful, lying, untruthful)
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implausible(unpredictable, hollow, fickle, variable)
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impure(corrupt, dishonest, crooked, unfair)
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inaccurate(unpredictable, fickle, variable, undependable)
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indecent(corrupt, dishonest, crooked, unfair)
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inequitable(dishonest, unwarranted, shady, unfair)
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irresponsible(unpredictable, fickle, variable, undependable)
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lewd(corrupt, dishonest, crooked, unfair)
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low(corrupt, dishonest, deceitful, crooked)
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makeshift(unpredictable, fickle, variable, undependable)
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meretricious(unpredictable, hollow, fickle, variable)
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mistaken(unpredictable, hollow, fickle, variable)
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monstrous(dishonest, shady)
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APASmart Define. (2016). underhanded thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/underhanded/thesaurus/synonyms
ChicagoSmart Define. 2016. "underhanded thesaurus" https://smartdefine.org/underhanded/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, underhanded thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/underhanded/thesaurus/synonyms>.
MLASmart Define. "underhanded thesaurus" 22 January 2016. Web. 25 September 2026. <https://smartdefine.org/underhanded/thesaurus/synonyms>