inappropriate

adjective

in·​ap·​pro·​pri·​ate ˌi-nə-ˈprō-prē-ət 

: not appropriate : unsuitable

inappropriate behavior

The movie's subject matter is inappropriate for small children.

inappropriately adverb

dressed inappropriately

inappropriateness noun

the inappropriateness of his comments

Synonyms of inappropriate

• unsuitable
• improper
• incorrect
• wrong
• unhappy
• unfit
• irrelevant

Examples of inappropriate in a Sentence

We won't tolerate such inappropriate behavior.

Her informal manner seemed wholly inappropriate to the occasion.

Recent Examples on the Web

Fazio is trying to draw voters’ attention to back the inappropriate p-card spending by the former chancellor of Connecticut State Colleges and Universities, who was removed but retained a well-paying faculty job. — Andrew Brown, Hartford Courant, 11 Sep. 2026

El-Sayed later said the comment was inappropriate at the time. — Todd Spangler, Freep.com, 11 Sep. 2026

The chain reaction started when Michigan fired Moore, citing an inappropriate relationship with a staff member. — Austin Meek, New York Times, 9 Sep. 2026

From the seasonally inappropriate hot springs of Beitou to the glossy, souvenir-flogging halls of Taipei Taoyuan International Airport, the plot of this coming-of-age story doesn’t shy away from the uncomfortable realities of traveling abroad. — Kat Chen, Condé Nast Traveler, 8 Sep. 2026

Word History

First Known Use

1804, in the meaning defined above

Rhymes for inappropriate

• appropriate

Kids Definition

inappropriate

adjective

in·​ap·​pro·​pri·​ate ˌin-ə-ˈprō-prē-ət 

: not appropriate : unsuitable

inappropriate behavior

inappropriately adverb

inappropriateness noun

Medical Definition

inappropriate

adjective

in·​ap·​pro·​pri·​ate ˌin-ə-ˈprō-prē-ət 

: abnormal

inappropriate urinary sodium excretion

—K. G. Barry & J. P. Malloy