To be insensitive, insolent, or rude to (somebody); to affront or demean (someone).
To assail, assault, or attack; (specifically) to carry out an assault, attack, or onset without preparation.
To behave in an obnoxious and superior manner (against or over someone).
To leap or trample upon.
The act of giving insult.
Containing insult, or having the intention of insulting.
He received an insulting letter.