If you say that someone is being insolent, you mean they are being rude to someone they ought to be respectful to. adj
...her insolent stare...
Pupils could be excluded from school for insolence.
Translation English Cobuild Collins Dictionary
abusive, bold, brazen-faced, contemptuous, fresh (informal) impertinent, impudent, insubordinate, insulting, pert, rude, saucy, uncivil
civil, courteous, deferential, mannerly, polite, respectful, submissive
English Collins Dictionary - English synonyms & Thesaurus
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