- (a.) Not being in truth what one appears to be; not sincere; dissembling; hypocritical; disingenuous; deceitful; false; -- said of persons; also of speech, thought; etc.; as, insincere declarations.
- (a.) Disappointing; imperfect; unsound.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). insincere. Retrieved September 28, 2026, from http://smartdefine.org/insincere/definitions/2022160 |
| Chicago | Webster's. 2011. "insincere" http://smartdefine.org/insincere/definitions/2022160 (accessed September 28, 2026). |
| Harvard | Webster's 2011, insincere, Smart Define, viewed 28 September, 2026, <http://smartdefine.org/insincere/definitions/2022160>. |
| MLA | Webster's. "insincere" 27 May 2011. Web. 28 September 2026. <http://smartdefine.org/insincere/definitions/2022160> |