- (superl.) Pure; unmixed; unadulterated.
- (superl.) Being in reality what it appears to be; having a character which corresponds with the appearance; not falsely assumed; genuine; true; real; as, a sincere desire for knowledge; a sincere contempt for meanness.
- (superl.) Honest; free from hypocrisy or dissimulation; as, a sincere friend; a sincere person.
- (superl.) Whole; perfect; unhurt; uninjured.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). sincere. Retrieved September 24, 2026, from http://smartdefine.org/sincere/definitions/2062213 |
| Chicago | Webster's. 2011. "sincere" http://smartdefine.org/sincere/definitions/2062213 (accessed September 24, 2026). |
| Harvard | Webster's 2011, sincere, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/sincere/definitions/2062213>. |
| MLA | Webster's. "sincere" 28 May 2011. Web. 24 September 2026. <http://smartdefine.org/sincere/definitions/2062213> |