Added 9 October 2026
improper
/ɪmˈpɹɒp.ə/ adjective
In Latin: improprius Wiktionary
adjective Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about improper at Wordnik → Where our words come from →
- Unsuitable to needs or circumstances; inappropriate; inapt.
-
Not in keeping with conventional mores or good manners; indecent or immodest.
improper conduct
- Not according to facts; inaccurate or erroneous.
verb
- To appropriate; to assign (something, to someone) as a possession or prerogative.
Origin
From Middle French impropre, from Latin improprius (“not proper”), from in- + proprius (“proper”). By surface analysis, im- + proper.
From Wiktionary, via Kaikki.org (CC BY-SA)