Improper

Pronunciation

• RP IPA: /ɪmˈprÉ’p.É™/
• AusE IPA: /ɪmˈprÉ”p.É™/
• GenAm IPA: /ɪmˈprÉ‘.pÉš/
• Rhymes: -É’pÉ™(ɹ)

Alternative forms

• impropre obsolete

Origin

From Middle French impropre, from Latin improprius ("not proper"), from in- + proprius ("proper").

Full definition of improper

Adjective

1. unsuitable to needs or circumstances; inappropriate; inapt
2. Not in keeping with conventional mores or good manners; indecent or immodest
3. Not according to facts; inaccurate or erroneous
4. Not consistent with established facts; incorrect
5. Not properly named; See, for example, improper fraction
6. (obsolete) Not specific or appropriate to individuals; general; common.
• J. FletcherNot to be adorned with any art but such improper ones as nature is said to bestow, as singing and poetry.

Derived terms

Verb

1. (obsolete, transitive) To appropriate; to limit.
• JewelHe would in like manner improper and inclose the sunbeams to comfort the rich and not the poor.
2. (obsolete) To behave improperly