Improper

·adj Not according to facts; inaccurate; erroneous.

II. Improper ·adj Not peculiar or appropriate to individuals; general; common.

III. Improper ·vt To Appropriate; to Limit.

IV. Improper ·adj 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.