insincerity

His insincerity is revealed by the quick goggle of his eyes.

His insincerity was evident in his fake smile.

She saw through his insincerity and refused to believe him.

The insincerity of his apology was obvious to everyone.

I could sense the insincerity in his words.

Her insincerity made it hard to trust her.

The insincerity of his compliments was transparent.

He tried to hide his insincerity behind a mask of charm.

The insincerity in his tone was unmistakable.

Her insincerity was a major turn-off for him.

Despite his insincerity, she chose to give him another chance.