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.

A federal jury in Los Angeles found that Left defrauded other investors with insincere opinions designed to move stock prices in his favor.

From The Wall Street Journal • Jun. 2, 2026

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

From BBC • Dec. 30, 2025

That promise, insincere from the start, looks hollower every day.

From Slate • Jun. 16, 2025

"We are not going to bend in the face of this insincere outrage," Leavitt told reporters at the White House.

From Salon • Mar. 26, 2025

The exclamation point made Rita seem untrustworthy, or, at the very least, insincere.

From "Flora & Ulysses: The Illuminated Adventures" by Kate DiCamillo

Vocabulary lists containing insincere

The New SAT: Words to Capture Tone

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The SAT: Words to Capture Tone, List 6

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ACT Reading Test: Words to Capture Tone, List 4

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