unsincere in a sentence

Definition

Unsincere: lacking genuine feelings or honesty, often characterized by deceit or pretense.

His unsincere apology left many feeling even more hurt.
The politician's unsincere promises failed to convince the voters.
She could see through his unsincere compliments, recognizing them as mere flattery.
An unsincere smile crossed his face when he heard the good news.
Trusting someone with an unsincere nature can lead to disappointment.