insult

a rude expression intended to offend or hurt; "when a student made a stupid mistake he spared them no abuse"; "they yelled insults at the visiting team"

a deliberately offensive act or something producing the effect of deliberate disrespect; "turning his back on me was a deliberate insult"

treat, mention, or speak to rudely; "He insulted her with his rude remarks"; "the student who had betrayed his classmate was dissed by everyone"