Synonyms|300Antonyms|132|Broader|2Narrower|0Related|1.7k

98 entries under untrustworthy topic. ×

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capricious(adjective, false, dishonest, dubious)
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changeable(adjective, false, dishonest, dubious)
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dirty-dealing(fickle, unprincipled)
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dirty dealing(expression, fickle, unprincipled, dirty-dealing)
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doubting(adjective, false, dishonest, dubious)
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extracurricular(fickle, unprincipled, dirty-dealing)
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fair-weather(fickle, unprincipled)
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fluctuating(adjective, false, dishonest, dubious)
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fly by night(expression, idiom, fickle, unprincipled)
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foresworn(fickle, unprincipled, dirty-dealing)
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lubricious(fickle, unprincipled, dirty-dealing)
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mercentary(fickle, unprincipled, dirty-dealing)
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moonlighting(fickle, unprincipled, dirty-dealing)
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not true to(expression, idiom, fickle, unprincipled)
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of bad faith(expression, idiom, fickle, unprincipled)
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on the QT(expression, idiom, fickle, unprincipled)
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on the quiet(expression, idiom, fickle, unprincipled)
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polygamous(fickle, unprincipled)
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quicksilver(fickle, unprincipled, dirty-dealing)
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skeptical(adjective, false, dishonest, dubious)
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APASmart Define. (2015). untruthful thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/untruthful/thesaurus/synonyms
ChicagoSmart Define. 2015. "untruthful thesaurus" https://smartdefine.org/untruthful/thesaurus/synonyms (accessed October 2, 2026).
HarvardSmart Define 2015, untruthful thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/untruthful/thesaurus/synonyms>.
MLASmart Define. "untruthful thesaurus" 14 April 2015. Web. 2 October 2026. <https://smartdefine.org/untruthful/thesaurus/synonyms>