INSINCERE

insincere. Insincere, a. deceitful, unfaithful, unfound

---

In′sin‐cere″ (?), a. [[L. insincerus. See In- not, and Sincere.]] 1. 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.
2. 2. Disappointing; imperfect; unsound.
To render sleep's soft blessings insincere. Pope. Syn. — Dissembling; hollow; hypocritical; deceptive deceitful; false; disingenuous; untrustworthy.