Insolent (adjective)
1 - boldly rude or disrespectful; contemptuously impertinent; insulting
2 - Novel; strange; unusual
3 - Contemptuous of rightful authority, seeking change or progress
Origin:
From Latin 'In' (not) 'Solens' (customary), i.e. 'deviating from that which is normal or customary.'
