WordWeb Online

1. Treat with contemptuous disregard
   "flout the rules";
   - scoff
    
2. Shout or laugh at with contempt and derision
   - jeer, scoff, barrack [Brit], gibe

Derived forms: flouting, flouts, flouted

Type of: bait, brush aside, brush off [informal], cod [Brit, informal], discount, dismiss, disregard, ignore, push aside, rag, rally, razz [N. Amer, informal], ride [N. Amer, informal], taunt, tease, twit [informal], wind up [Brit, informal]