- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
78 entries under untrustworthy topic. ×
| fly-by-night(adjective, bad, wrong, false, dishonest) | |
| mercentary(corrupt, dishonest, immoral, fickle) | |
| stop-at-nothing(corrupt, dishonest, immoral, fickle) | |
| unfaithful(adjective, false, unpredictable, fickle, variable) | |
| adulterine(fickle, unprincipled, dirty-dealing) | |
| adulterous(fickle, unprincipled, dirty-dealing) | |
| bigamous(fickle, unprincipled) | |
| changeful(fickle, unprincipled, dirty-dealing) | |
| committing perjury(expression, fickle, unprincipled, dirty-dealing) | |
| dirty dealing(expression, wrong, immoral, fickle) | |
| double dealing(expression, evil, corrupt, fickle) | |
| extracurricular(fickle, unprincipled, dirty-dealing) | |
| fair-weather(fickle, unprincipled) | |
| faithless(fickle, unprincipled, unfaithful, disloyal) | |
| fickle(adjective, unpredictable, variable, unprincipled) | |
| fly by night(expression, idiom, fickle, unprincipled) | |
| foresworn(fickle, unprincipled, dirty-dealing) | |
| inconstant(adjective, unpredictable, fickle, variable) | |
| moonlighting(fickle, unprincipled, dirty-dealing) | |
| not true to(expression, idiom, fickle, unprincipled) |
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| APA | Smart Define. (2015). underhand thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/underhand/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "underhand thesaurus" https://smartdefine.org/underhand/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2015, underhand thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/underhand/thesaurus/synonyms>. |
| MLA | Smart Define. "underhand thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/underhand/thesaurus/synonyms> |