blaspheme
1. [ verb ] utter obscenities or profanities
Synonyms: swear curse cuss imprecate
Examples:

"The drunken men were cursing loudly in the street"

Related terms: express curse swearer
2. [ verb ] speak of in an irrevent or impious manner
Examples:

"blaspheme God"

Related terms: speak_of curse
Similar spelling:   blasphemer
  blasphemy
  blasphemous