Synonyms|358Antonyms|119|Broader|7Narrower|1Related|1.3k

51 entries under dirty-dealing topic. ×

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mercentary(fickle, untrustworthy, unprincipled)
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on the QT(expression, idiom, fickle, untrustworthy, unprincipled)
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on the quiet(expression, idiom, fickle, untrustworthy, unprincipled)
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quicksilver(fickle, untrustworthy, unprincipled)
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snake in grass(expression, idiom, fickle, untrustworthy, unprincipled)
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stop-at-nothing(fickle, untrustworthy, unprincipled)
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stop at nothing(expression, idiom, fickle, untrustworthy, unprincipled)
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sub-rosa(fickle, untrustworthy, unprincipled)
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under cover(expression, fickle, untrustworthy, unprincipled)
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yo-yo(fickle, untrustworthy, unprincipled)
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yoyo(fickle, untrustworthy, unprincipled)
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HarvardSmart Define 2016, perfidious thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/perfidious/thesaurus/synonyms>.
MLASmart Define. "perfidious thesaurus" 4 March 2016. Web. 29 September 2026. <https://smartdefine.org/perfidious/thesaurus/synonyms>