The act of one who sneers.

contemptful

present participle of sneer

plural of sneering

A facial expression where one slightly raises one corner of the upper lip, generally indicating scorn. / A display of contempt; scorn.

(intransitive) To raise a corner of the upper lip slightly, especially in scorn / (transitive) To utter with a grimace or contemptuous expression; to say sneeringly.

simple past tense and past participle of sneer

Third-person singular simple present indicative form of sneer

Given to sneering. / Expressing contempt.

Synonym of scare quote