What does "insincere" mean?

Not genuinely meaning what has been expressed; not sincere; artificial; factitious.

Insincere

Common synonyms include: adulatory, affected, affected students, ambidextrous, apparently sound, artful.

adj

adj ·3 syllables ·Common ·High school level

Adjective

1
Not genuinely meaning what has been expressed; not sincere; artificial; factitious.
"Janice's furious glare showed that her apology was insincere."

Adjective

"The letter sounds forced, what is worse, insincere."

From Latin insincerus.