진심이 담겨 있지 않거나 겉으로만 꾸며내는.
Not expressing genuine feelings, thoughts, or intentions; lacking in sincerity or honesty.
예문:
"The manager offered an insincere compliment just to avoid a difficult conversation."
"She felt hurt by his insincere interest in her hobbies, realizing he was just being polite."
"His insincere apology failed to convince the board that he had learned from his mistakes."