Definitions of insult:

• noun:   a deliberately offensive act or something producing the effect of an affront

  Example: "Turning his back on me was a deliberate insult"

• noun:   a rude expression intended to offend or hurt

  Example: "They yelled insults at the visiting team"

• verb:   treat, mention, or speak to rudely

  Example: "He insulted her with his rude remarks"