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Definitions

insincere

[in-sin-seer] / ˌɪn sɪnˈsɪər /
ADJECTIVE
dishonest, pretended
Synonyms
STRONGEST
deceitful devious disingenuous evasive false hypocritical phony untruthful
WEAK
ambidextrous backhanded deceptive dissembling dissimulating double double-dealing duplicitous faithless fake hollow lying mendacious perfidious pretentious put on shifty slick sly snide two-faced unfaithful untrue
Antonyms
STRONGEST
actual direct forthright frank genuine honest just open real reliable sincere straight straightforward trustworthy truthful upright

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As impressed with “The Drama” as I am, it would be insincere not to look at Borgli’s film in a wider context.

From Salon • Apr. 3, 2026

They’re insincere and elitist and out of touch and smug in many respects, from the perspective of a young man.

From Slate • Mar. 25, 2026

If time doesn’t allow for this, Fitzgerald says, it is often considered better to slip away than to appear rushed or insincere in a curt goodbye.

From The Wall Street Journal • Mar. 13, 2026

Jenrick said the two posts "show El Fattah's apology was insincere and scripted".

From BBC • Dec. 30, 2025

Major Sanderson nodded understandingly, with a smile that was agreeable and insincere.

From "Catch-22" by Joseph Heller