Definitions of improper

1. To appropriate; to limit.

2. Improperly.

3. Not proper; not suitable; not fitted to the circumstances, design, or end; unfit; not becoming; incongruous; inappropriate; indecent; as, an improper medicine; improper thought, behavior, language, dress.

4. Not peculiar or appropriate to individuals; general; common.

5. Not according to facts; inaccurate; erroneous.

6. Not well adapted or suited to the purpose; not according to usage; wrong; unseemly; unbecoming; indecent; in mathematics, indicating a fraction in which the numerator is greater than the denominator.

7. Not suitable: unfit: unbecoming: incorrect: wrong.

8. Not becoming; unsuitable.

9. Not proper; unsuitable.

10. Not suitable; not adapted to its end; not becoming; not decent.