Definition for IM-PROP'ER

IM-PROP'ER, a. [L. improprius; in and proprius, prosper.]

  1. Not proper; not suitable; not adapted to its end; unfit; as, an improper medicine for a particular disease; an improper regulation.
  2. Not becoming; not decent; not suited to the character, time or place; as improper conduct in church; improper behavior before superiors; an improper speech.
  3. Not according to the settled usages or principles of a language; as, an improper word or phrase.
  4. Not suited to a particular place or office; unqualified; as, he is an improper man for the office.

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