- Definitions|2
- Thesaurus|3k
- Abbreviations|0
62 entries under adjective topic. ×
| guileful | |
| unctuous(blunt, ingratiating) | |
| counterfeit(honest, false, genuine, insincere) | |
| disingenuous | |
| fictitious(honest, untrue, factual) | |
| flippant(false, insincere) | |
| fraudulent(open, genuine) | |
| shrewd | |
| subtle | |
| two-faced | |
| wily | |
| canny | |
| fanciful(reasonable, sensible, romantic, imaginary) | |
| hollow(false, artificial, meaningless) | |
| knavish | |
| shifty | |
| slippery | |
| underhanded | |
| unreal(false, insincere) | |
| unserious(false, sober, disciplined, insincere) |
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| APA | Smart Define. (2016). sincere thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/sincere/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "sincere thesaurus" https://smartdefine.org/sincere/thesaurus/antonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, sincere thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/sincere/thesaurus/antonyms>. |
| MLA | Smart Define. "sincere thesaurus" 31 March 2016. Web. 29 September 2026. <https://smartdefine.org/sincere/thesaurus/antonyms> |