swear at (someone or something)
To utter a curse or similarly vulgar or abusive language toward someone or something. Don't you dare swear at me like that—who taught you such filthy words? The player stormed off the field swearing at the referee.
swear at someone or something
to curse someone or something. Please don't swear at the children. Scott swore at the police station as he drove by.
swear at
Curse, use abusive, violent, or blasphemous language against, as in He has a way of swearing at all the other drivers on the road. [Late 1600s]
swear at
v. To use abusive, violent, or blasphemous language against someone or something; curse someone or something: The child swore at the teacher and was sent to the principal's office.