uncivil
Definitions
Lacking in social refinement or courtesy; impolite.
Not civilized; barbarous or savage.
Examples
The customer was asked to leave the store after making several uncivil remarks to the staff.
It is considered uncivil to interrupt someone while they are in the middle of speaking.
The debate quickly devolved into an uncivil argument, with both sides resorting to personal insults.
Synonyms
rude impolite discourteous ill-mannered insolent churlish boorish
Antonyms
polite courteous civil well-mannered refined gracious gentle