Breadcrumb Home > Dictionary > Index I Cite insincere: Meaning and Definition of Find definitions for: in•sin•cere Pronunciation: (in"sin-s?r'), [key] ? adj. not sincere; not honest in the expression of actual feeling; hypocritical. Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease. See also: insincere (Thesaurus) insignificant insincerity TrendingHere are the facts and trivia that people are buzzing about. February 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress Noble Titles and Ranks in a Monarchy Keeping Your Brain Active in a COVID-19 World The Manchu Related Content Daily Word Quiz: puerile Analogy of the Day: Today?s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language