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

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

Peppering in phrases like “love bombing” and “disassociative” feels insincere.

From Los Angeles Times • Oct. 30, 2025

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

From Slate • Jun. 16, 2025

When Lyra was younger, he had taken an interest in her spiritual welfare, only to be confounded by her sly indifference and insincere repentances.

From "The Golden Compass" by Philip Pullman

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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