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

The morality police, which are often accused of extreme policies, recently announced a statewide ban in Sokoto on the use of DJs at events, as well as inappropriate haircuts, extravagant bridal gifts and playing music on public transport. — ABC News, 28 Aug. 2026

Last week, McCuskey made a number of inappropriate statements during an interview on Springfield’s WMAY radio station. — Collin Corbett, Chicago Tribune, 28 Aug. 2026

Could a fellow traveler hint at the inappropriate, tacky nature of this display? — Jacobina Martin, Washington Post, 28 Aug. 2026

Reporters calculated how much of the money spent by each sheriff’s office went to expenditures the review panel deemed inappropriate. — Aneri Pattani — Kff Health News, STAT, 27 Aug. 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