49 entries under variable topic. ×

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erroneous(adjective, unpredictable, hollow, fickle)
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fake(adjective, false, dishonest, deceitful, unpredictable)
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fallible(adjective, unpredictable, hollow, fickle)
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fickle(adjective, unpredictable, undependable, fly-by-night)
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fly-by-night(adjective, unpredictable, fickle, undependable)
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hallucinatory(adjective, unpredictable, hollow, fickle)
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hollow(adjective, unpredictable, fickle, undependable)
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implausible(adjective, unpredictable, hollow, fickle)
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inaccurate(adjective, unpredictable, fickle, undependable)
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irresponsible(adjective, unpredictable, fickle, undependable)
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makeshift(adjective, unpredictable, fickle, undependable)
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meretricious(adjective, unpredictable, hollow, fickle)
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mistaken(adjective, unpredictable, hollow, fickle)
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not true(expression, adjective, unpredictable, hollow, fickle)
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not trustworthy(expression, adjective, unpredictable, hollow, fickle)
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pretended(adjective, false, dishonest, unpredictable, unreliable)
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pseudo(adjective, unpredictable, hollow, fickle)
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sham(adjective, unpredictable, hollow, fickle)
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uncertain(adjective, unpredictable, fickle, undependable)
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unconvincing(adjective, unpredictable, hollow, fickle)
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APASmart Define. (2016). underhanded thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/underhanded/thesaurus/synonyms
ChicagoSmart Define. 2016. "underhanded thesaurus" https://smartdefine.org/underhanded/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, underhanded thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/underhanded/thesaurus/synonyms>.
MLASmart Define. "underhanded thesaurus" 22 January 2016. Web. 21 September 2026. <https://smartdefine.org/underhanded/thesaurus/synonyms>