1
: the quality or state of being insincere
the patent insincerity of his answer
2
: something that is insincere
forgiving her evasions and insincerities
Synonyms of insincere
Relevance
Adjective
Examples of insincere in a Sentence
Adjective
He said he was sorry, but I could tell that he was being insincere.
the insincere compliments of a spiteful gossip
Recent Examples on the Web
Benjamin Laker,
Forbes.com,
11 June 2026
Everyone else was various degrees of insincere or arch.
—
Chris Jones,
New York Daily News,
7 June 2026
Everyone else was various degrees of insincere or arch.
—
Chris Jones,
Chicago Tribune,
4 June 2026
Sybiha said Russia’s actions exposed its calls for a separate ceasefire around May 9 as insincere.
—
ABC News,
6 May 2026
See All Example Sentences for insincere
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Adjective
And so, open door policies rarely fail because leaders are insincere.
—
Benjamin Laker,
Forbes.com,
11 June 2026
Everyone else was various degrees of insincere or arch.
—
Chris Jones,
New York Daily News,
7 June 2026
Everyone else was various degrees of insincere or arch.
—
Chris Jones,
Chicago Tribune,
4 June 2026
Sybiha said Russia’s actions exposed its calls for a separate ceasefire around May 9 as insincere.
—
ABC News,
6 May 2026
See All Example Sentences for insincere
Cite this Entry
“Insincere.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/insincere. Accessed 26 Jun. 2026.
Copy CitationKids Definition
insincere
adjective
in·sin·cere
ˌin(t)-sin-ˈsi(ə)r 
: not sincere : hypocritical
insincerely
adverb
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