1. plural of insincerity; instances or expressions of lack of genuine feeling, honesty, or truthfulness
Usage: countable noun; typically used in plural form to refer to multiple false or dishonest statements or behaviors

Examples

• The politician's speech was filled with insincerities that fooled no one.
• She detected the insincerities in his apology and refused to accept it.
• The insincerities of the advertisement became apparent once consumers tried the product.
• Their friendship fell apart due to years of accumulated insincerities and broken promises.
• The critic pointed out the insincerities in the actor's performance.
• He grew tired of the insincerities that characterized most social interactions at the office.