Antonyms of adj impolite

1 sense of impolite

Sense 1
impolite (vs. polite) -- (not polite)

polite (vs. impolite) -- (showing regard for others in manners, speech, behavior, etc.)
        => mannerly, well-mannered -- (socially correct in behavior)
        => courteous, gracious, nice -- (exhibiting courtesy and politeness; "a nice gesture")

Similarity of adj impolite

1 sense of impolite

Sense 1
impolite (vs. polite) -- (not polite)
       => bratty, brattish -- ((used of an ill-mannered child) impolitely unruly)
       => ill-mannered, bad-mannered, rude, unmannered, unmannerly -- (socially incorrect in behavior; "resentment flared at such an unmannered intrusion")
       => discourteous, ungracious -- (lacking social graces)
       => unparliamentary -- (so rude and abusive as to be unsuitable for parliament)