supercilious, sneering, snide
Meaning: 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"
His mood was taciturn; his face grim and sneering.
And I heard his story and his tears with sneering disdain.
But with his jeering words, and sneering face, he was as hard to her as a rock.
She would know him at once; he would have the dark beetling brows, the quick, furtive glance, the sneering, unsavoury smile that always characterised the Sir Jaspers of this world.