1. Adjective
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.
2. Adjective
Not peculiar or appropriate to individuals; general; common.
3. Adjective
Not according to facts; inaccurate; erroneous.
4. Verb
To appropriate; to limit.
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