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Definition of: improper
(im·prop′ər) adjective
1. Not proper; not strictly belonging or appropriate; inapplicable.
2. Not in accord with the proprieties of speech, manners, or conduct; indecorous.
3. Unsuitable; inappropriate.
4. Irregular or abnormal. [<OF impropre <L improprius]
—im·prop′er·ly adverb
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