Adjective: improper im'pró-pu(r)
- Not suitable, right or appropriate
"improper attire for the golf course"; "slightly improper to dine alone with a married man"; "improper medication"
- Not conforming to legality, moral law, or social convention
"improper banking practices";
- unconventional
- Not appropriate for a purpose or occasion
"said all the improper things";
- wrong
See also: correctitude, inappropriate, incorrect, indecent, indecorous, irregular, out of the way, out-of-the-way, properness, propriety, unbecoming, uncomely, unfit, unseemly, untoward, wrong
Antonym: proper