Synonyms|297Antonyms|82|Broader|2Narrower|0Related|971

73 entries under untrustworthy topic. ×

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extracurricular(fickle, unprincipled, dirty-dealing)
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fair-weather(fickle, unprincipled)
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false(adjective, dishonest, dubious, unfaithful)
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falsehearted(fickle, unprincipled, dirty-dealing)
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fly by night(expression, idiom, fickle, unprincipled)
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foresworn(fickle, unprincipled, dirty-dealing)
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lying(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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perjurious(fickle, unprincipled, dirty-dealing)
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polygamous(fickle, unprincipled)
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recreant(adjective, false, dishonest, dubious)
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snake in grass(expression, idiom, fickle, unprincipled)
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stop-at-nothing(fickle, unprincipled, dirty-dealing)
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stop at nothing(expression, idiom, fickle, unprincipled)
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sub-rosa(fickle, unprincipled, dirty-dealing)
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APASmart Define. (2015). changeful thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/changeful/thesaurus/synonyms
ChicagoSmart Define. 2015. "changeful thesaurus" https://smartdefine.org/changeful/thesaurus/synonyms (accessed October 2, 2026).
HarvardSmart Define 2015, changeful thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/changeful/thesaurus/synonyms>.
MLASmart Define. "changeful thesaurus" 13 April 2015. Web. 2 October 2026. <https://smartdefine.org/changeful/thesaurus/synonyms>