Antonyms for insincere

Grammar : Adj

Spell : in-sin-seer

Phonetic Transcription : ˌɪn sɪnˈsɪər

Definition of insincere

Origin : 1620s (implied in insincerely), from Latin insincerus "not genuine, not pure, adulterated," from in- "not" (see in- (1)) + sincerus (see sincere).

adj dishonest, pretended

Example sentences :

This feeling was intensified by the belief that Swift, as a clergyman, was insincere.
Extract from : « De Libris: Prose and Verse » by Austin Dobson

An insincere profession will be distinguished by partiality in its observances.
Extract from : « Female Scripture Biographies, Vol. II » by Francis Augustus Cox

Was it not, perhaps, wise to have been insincere in such a matter?
Extract from : « Scaramouche » by Rafael Sabatini

He is a foreigner, with the soft, insincere ways that I cannot like nor trust.
Extract from : « Against Odds » by Lawrence L. Lynch

That the worshipper should be insincere in his worship was too dreadful to think of.
Extract from : « Lord Kilgobbin » by Charles Lever

The tear was real, and in all that he said there was not an insincere word.
Extract from : « Is He Popenjoy? » by Anthony Trollope

He is not insincere because he has not educated them all in a minute.
Extract from : « The Ghost in the White House » by Gerald Stanley Lee

Now, with an effort, he shrugged his shoulders and burst into insincere laughter.
Extract from : « The Return of Sherlock Holmes » by Arthur Conan Doyle

Can you think of him as insincere, as faithless, as selfish, as greedy for power?
Extract from : « Spring Street » by James H. Richardson

Jefferson shows that he was either ill-informed or insincere.
Extract from : « The Journal of Negro History, Volume 3, 1918 » by Various

Synonyms for insincere

Based on : Thesaurus.com - Gutenberg.org - Dictionary.com - Random House Unabridged Dictionary, © Random House, Inc. 2019