Smile or speak in a contemptuous or mocking manner
she had sneered at their bad taste
“I see you're conservative in your ways,” David sneered
A contemptuous or mocking smile, remark, or tone
he acknowledged their presence with a condescending sneer
a facial expression of contempt or scorn; the upper lip curls
express through a scornful smile; "she sneered her contempt"
a contemptuous or scornful remark
smile contemptuously; "she sneered at her little sister's efforts to play the song on the piano"
(sneering) supercilious: expressive of contempt; "curled his lip in a supercilious smile"; "spoke in a sneering jeering manner"; "makes many a sharp comparison but never a mean or snide one"
(Sneering) Sneers activate the buccinator muscles located on the sides of the face to draw the corners of the lips sideways toward the ears. Sneering is universal signal of contempt, arrogance, disapproval and disrespect.
(SNEERING) Jeering, flickering, laughing in scorn.