scoff scoff /ˈskɔf/

noun

1. Showing your contempt by derision  ( jeer , jeering , scoff , mockery , scoffing )
   showing your contempt by derision
   

verb

1. () Laugh at with contempt and derision  ( barrack , flout , gibe , jeer , scoff )
   laugh at with contempt and derision
    The crowd jeered at the speaker
   The crowd jeered at the speaker
   
2. Treat with contemptuous disregard  ( scoff , flout )
   treat with contemptuous disregard
    Flout the rules
   flout the rules