70 entries under untrustworthy topic. ×

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foresworn(fickle, unprincipled, dirty-dealing)
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inconstant(fickle, unprincipled)
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lubricious(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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quicksilver(fickle, unprincipled, dirty-dealing)
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seditious(adjective, untrue, treacherous, unfaithful)
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snake in grass(expression, idiom, fickle, unprincipled)
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snaky(adjective, untrue, treacherous, unfaithful)
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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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trustless(fickle, unprincipled)
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APASmart Define. (2013). unpatriotic thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/unpatriotic/thesaurus/synonyms
ChicagoSmart Define. 2013. "unpatriotic thesaurus" https://smartdefine.org/unpatriotic/thesaurus/synonyms (accessed October 2, 2026).
HarvardSmart Define 2013, unpatriotic thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/unpatriotic/thesaurus/synonyms>.
MLASmart Define. "unpatriotic thesaurus" 28 June 2013. Web. 2 October 2026. <https://smartdefine.org/unpatriotic/thesaurus/synonyms>