/ɪnsɪnˈsɪr/ (in-sin-SER)

Definitions

1. adjective

lacking sincerity; not genuine or authentic

“Her insincere apology did not convince anyone that she was truly sorry.”

2. adverb

in a way that lacks sincerity; not genuinely or authentically

“He spoke insincerely about the company’s commitment to the project.”

3. noun

a person or thing that is insincere; a person who is deceitful or hypocritical

“The politician’s insincerity was revealed in his scandalous past.”