misuse

1 of 2

verb

mis·​use ˌmis-ˈyüz 

misused; misusing; misuses

transitive verb

1

: to use incorrectly : misapply

misused his talents

a word that is frequently misused

was charged withmisusing company funds

2

: abuse, mistreat

… their prisoner had the heavy task of receiving their insolence as wit, answering their insults with good-humour, and withholding from them the opportunity which they sought of engaging him in a quarrel, that they might have a pretence for misusing him.

—Sir Walter Scott

misuser noun

plural misusers

misuse

2 of 2

noun

mis·​use ˌmis-ˈyüs 

: incorrect or improper use : misapplication

the misuse of words

a misuse of power

Synonyms of misuse

Verb

• abuse

Noun

• abuse

Examples of misuse in a Sentence

Verb

She's charged with misusing company funds.

a word that is frequently misused

Noun

No refunds will be offered on products damaged by misuse.

the warranty for this dryer is null and void if you subject the product to deliberate misuse

Recent Examples on the Web

Verb

Trump has repeatedly accused Biden staffers of misusing an autopen device to sign executive orders without the president's approval, though Biden has denied all allegations. —Rachel Raposas, PEOPLE, 8 Dec. 2025

How to protect yourself from deposit account fraud Take these actions now to lock down your identity and reduce the chances that a criminal can misuse your information again. —Kurt Knutsson, FOXNews.com, 8 Dec. 2025

Noun

Even without intentional misuse by bad actors, evaluations and studies highlight instances of deceptive and self-preserving behaviors emerging in advanced models, suggesting that AI may be developing strategies that conflict with human intent or oversight. —Yoshua Bengio, Time, 11 Dec. 2025

Resetting your passwords protects you from possible misuse. —Kurt Knutsson, FOXNews.com, 11 Dec. 2025

Word History

Etymology

Verb and Noun

Middle English, partly from mis- + usen to use; partly from Middle French mesuser to abuse, from Old French, from mes- + user to use

First Known Use

Verb

14th century, in the meaning defined at sense 1

Noun

14th century, in the meaning defined above

Rhymes for misuse

• accrues
• accuse
• aircrews
• amuse
• bamboos
• breakthroughs
• canoes
• cashews
• chartreuse
• confuse
• construes
• defuse

Kids Definition

misuse

1 of 2 verb

mis·​use mish-ˈüz 

(ˈ)mish-ˈyüz, 

(ˈ)mis-ˈyüz

1

: to use incorrectly : misapply

2

: abuse entry 1 sense 2, mistreat

misusage

-ˈ(y)ü-sij, 

-zij

noun

misuse

2 of 2 noun

mis·​use mish-ˈüs 

(ˈ)mish-ˈyüs, 

(ˈ)mis-ˈyüs

: incorrect or improper use