Improper

/ɪmˈprɒpər/

Meaning & Definition

adjective
Not proper or suitable; inappropriate.
His behavior at the formal event was deemed improper.
Not in accordance with accepted rules or standards.
Using your phone during the lecture is considered improper by the professor.
Incorrect or inaccurate.
The improper use of terms can lead to misunderstandings.
Lacking in propriety; socially unacceptable.
She found his comments to be rather improper for the workplace.

Etymology

Derived from the Latin 'improprius', meaning 'not one's own'.

Common Phrases and Expressions

improper conduct:
Behavior that does not conform to accepted standards.
improper use:
Using something in a way that is not correct or appropriate.
improper grammar:
Grammatical usage that is not conforming to standard rules.

Related Words

Slang Meanings

Sketchy
That deal sounds a bit sketchy, like it might be improper.
Screwy
His plan is a little screwy and considered improper by most.