flout 
(flout)
(flout)tr.v. flout·ed, flout·ing, flouts
1. To ignore or disregard (a rule or convention, for example) in an open or defiant way: flout a law; behavior that flouted convention. See Usage Note at flaunt.
2. Archaic To express contempt for; mock or jeer at.
[Perhaps from Middle English flouten, to play the flute, from Old French flauter, from flaute, flute; see FLUTE.]
flouter n.
flouting·ly adv.