(n): open disrespect for a person or thing
(n): a contemptuous or scornful remark
(n): open disrespect for a person or thing
(v): express through a scornful smile
(v): give expression to
(v): smile contemptuously
(v): change one's facial expression by spreading the lips, often to signal pleasure
She wants that delicacy of tint, and mellowness of sneer, which distinguish your ladyship’s scandal.
Sheridan, School for Scandal