- Definitions|2
- Thesaurus|3k
- Abbreviations|0
13 entries under insincere topic. ×
| dishonest(adjective, false) | |
| devious(adjective, open, fair, false) | |
| tricky(adjective, false) | |
| untrustworthy(adjective, false) | |
| false(adjective, open, sound, right) | |
| deceitful(adjective, open, honest, false, dishonest) | |
| counterfeit(adjective, honest, false, genuine) | |
| flippant(adjective, false) | |
| unreal(adjective, false) | |
| unserious(adjective, false, sober, disciplined) | |
| invalid(adjective, false) | |
| trivial(adjective, false) | |
| unimportant(adjective, false) |
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| APA | Smart Define. (2016). sincere thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/sincere/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "sincere thesaurus" https://smartdefine.org/sincere/thesaurus/antonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2016, sincere thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/sincere/thesaurus/antonyms>. |
| MLA | Smart Define. "sincere thesaurus" 31 March 2016. Web. 1 October 2026. <https://smartdefine.org/sincere/thesaurus/antonyms> |