insolent

Insulting in manner or words, particularly in an arrogant or insubordinate manner.

Near-synonyms: arrogant, bold, cocky; see also Thesaurus:cheeky

Rude.

Near-synonyms: insubordinate, offensive; see also Thesaurus:arrogant

insolent behaviour

A person who is insolent.

What a way do you put yourself in miss! said the insolent.

Diogenes Laertius reports that Diogenes was apt to take the identification with the dog at face value, as when he lifted his leg and relieved himself on a group of young insolents who teased him with a dog's bone […]