Wordnet 3.0
ADJECTIVE (1)
1.
lacking sincerity;
- Example: "a charming but thoroughly insincere woman"- Example: "their praise was extravagant and insincere"
The Collaborative International Dictionary of English v.0.48:
Insincere \In`sin*cere"\, a. [L. insincerus. See In- not, and
Sincere.]
[1913 Webster]
1. 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.
[1913 Webster]
2. Disappointing; imperfect; unsound. [Obs.]
[1913 Webster]
To render sleep's soft blessings insincere. --Pope.
Syn: Dissembling; hollow; hypocritical; deceptive deceitful;
false; disingenuous; untrustworthy.
[1913 Webster]
WordNet (r) 3.0 (2006):
insincere
adj 1: lacking sincerity; "a charming but thoroughly insincere
woman"; "their praise was extravagant and insincere"
[ant: sincere]