Bible Dictionaries
Insincere

Webster's Dictionary

(1):

(a.) Disappointing; imperfect; unsound.

(2):

(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.

Bibliography Information
Webster, Noah. Entry for 'Insincere'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​i/insincere.html. 1828.