Synonyms|142Antonyms|3|Broader|3Narrower|0Related|32
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changeful(fickle, untrustworthy, unprincipled, dirty-dealing)
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committing perjury(expression, fickle, untrustworthy, unprincipled, dirty-dealing)
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constituting treason(expression, idiom)
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dangerous
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deceptive
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dirty-dealing(fickle, untrustworthy, unprincipled)
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dirty dealing(expression, fickle, untrustworthy, unprincipled, dirty-dealing)
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disaffected(adjective, stubborn, untrue, untrustworthy, treacherous)
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disloyalty
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double dealing(expression, mean, fickle, untrustworthy, malicious)
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estranged(adjective, untrue, untrustworthy, treacherous, unfaithful)
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extracurricular(fickle, untrustworthy, unprincipled, dirty-dealing)
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fair-weather(fickle, untrustworthy, unprincipled)
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fly by night(expression, idiom, fickle, untrustworthy, unprincipled)
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fraudulent
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guileful
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heretical
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insurrectionist
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lubricious(fickle, untrustworthy, unprincipled, dirty-dealing)
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mercentary(fickle, untrustworthy, unprincipled, dirty-dealing)
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APASmart Define. (2015). treasonable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/treasonable/thesaurus/synonyms
ChicagoSmart Define. 2015. "treasonable thesaurus" https://smartdefine.org/treasonable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, treasonable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/treasonable/thesaurus/synonyms>.
MLASmart Define. "treasonable thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/treasonable/thesaurus/synonyms>