scoff 1 
(skŏf, skôf)
(skŏf, skôf)v. scoffed, scoff·ing, scoffs
v.intr.
To show or express derision or scorn: scoffed at their complaints.
v.tr.
To say in a derisive manner: "Are you confused yet?" the instructor scoffed.
[Middle English scoffen, from scof, mockery, probably of Scandinavian origin; akin to Danish skof, jest, teasing.]
scoffer n.
scoffing·ly adv.