- Definitions|1
- Thesaurus|208
- Abbreviations|0
56 entries under untrustworthy topic. ×
| disloyal(adjective, slack, fickle, unprincipled) | |
| unfaithful(adjective, wicked, immoral, deceitful, contrary) | |
| faithless(adjective, fickle, untrue, unprincipled) | |
| perfidious(fickle, unprincipled, dirty-dealing) | |
| traitorous(adjective, fickle, unprincipled, disloyal) | |
| treacherous(fickle, unprincipled, dirty-dealing) | |
| treasonable(fickle, unprincipled, dirty-dealing) | |
| treasonous(adjective, fickle, unprincipled, disloyal) | |
| unethical(wicked, immoral, deceitful, fickle) | |
| unpatriotic(fickle, unprincipled, dirty-dealing) | |
| adulterine(fickle, unprincipled, dirty-dealing) | |
| adulterous(fickle, unprincipled, dirty-dealing) | |
| amoral(fickle, unprincipled, dirty-dealing) | |
| bigamous(fickle, unprincipled) | |
| changeful(fickle, unprincipled, dirty-dealing) | |
| committing perjury(expression, fickle, unprincipled, dirty-dealing) | |
| dirty-dealing(fickle, unprincipled) | |
| dirty dealing(expression, fickle, unprincipled, dirty-dealing) | |
| dishonest(fickle, unprincipled, dirty-dealing) | |
| double-dealing(fickle, unprincipled, dirty-dealing) |
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| APA | Smart Define. (2015). undutiful thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/undutiful/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "undutiful thesaurus" https://smartdefine.org/undutiful/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, undutiful thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/undutiful/thesaurus/synonyms>. |
| MLA | Smart Define. "undutiful thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/undutiful/thesaurus/synonyms> |