1. With curses
   "muttering profanely" 
2. In an irreverent or profane manner
   "he kept wondering profanely why everything bad happened to him"

See also: profane

• concubine
• concupiscence
• concupiscent
• concupiscible
• concur
• concurrence
• concurrency
• concurrent
• concurrent execution
• concurrent negligence
• concurrent operation
• concurrently
• concurring
• concurring opinion
• concuss
• concussion
• concussive
• condemn
• condemnable
• condemnation
• condemnatory
• condemner
• condemning
• condensable
• condensate