Antonyms for improper

Antonyms of adj improper

3 senses of improper

Sense 1:

improper (vs. proper)

proper (vs. improper)
becoming, comely, comme il faut, decent, decorous, seemlycorrect, rightcorrect, rightfittinghalalkosherpriggish, prim, prissy, prudish, puritanical, square-toed, straitlaced, strait-laced, straightlaced, straight-laced, tight-laced, victorian

Sense 2:

improper, unconventional, unlawful

INDIRECT (VIA irregular) -> regular

Sense 3:

improper, wrong

INDIRECT (VIA inappropriate) -> appropriate