Improper Definition

ĭm-prŏpər
adjective
Not suitable for or consistent with the purpose or circumstances; poorly adapted; unfit.
Webster's New World
Not in keeping with conventional mores; indecorous.
Improper behavior; an improper suggestion.
American Heritage
Not in accordance with the truth, fact, or rule; wrong; incorrect.
Webster's New World
Contrary to good taste or decency; indecorous.
Webster's New World
Irregular or abnormal.
Complications due to improper functioning of the immune system.
American Heritage
verb

(obsolete) To appropriate; to limit.

Wiktionary

(obsolete) To behave improperly.

Wiktionary

Origin of Improper

  • From Middle French impropre, from Latin improprius (“not proper”), from in- + proprius (“proper”).

    From Wiktionary

Find Similar Words

Find similar words to improper using the buttons below.

Words Starting With

Words Ending With

Unscrambles

improper