sneer
🇺🇸
/snɪr/
🇬🇧
/snɪə(r)/
to express contempt or disrespect by a facial expression or tone of voice
He sneered at the idea, showing he thought it was not worth considering.
a facial expression or tone of voice that shows contempt or disrespect
The sneer in his voice was unmistakable, making it clear he didn't approve.