What are the antonyms for IMPROPER?

Synonyms for IMPROPER

Usage Examples for IMPROPER

  1. But that is very strange, and, as one may say, very improper; have you no friends? - "My Little Lady" by Eleanor Frances Poynter
  2. He replied, that it was exclusively the act of the President, who alone could perfectly explain his own motives, and he deemed it improper for him to anticipate the explanation which the President must deem it his duty to make. - "Memoir of the Life of John Quincy Adams." by Josiah Quincy