How to say "misuse" in Japanese

Choosing the right word
  • 悪用あくようCommon
    noun, suru verb, transitive verbMisuse as abuse: using something for a bad or wrongful purpose, a perversion of its proper use — as when authority or information is exploited for harmful ends. The nuance is deliberate wrongdoing.
    彼かれは公金こうきんを悪用あくようしたかどで逮捕たいほされた。↗
    He was arrested for abusing public funds.
  • 乱用らんようJLPT N1approx.Common
    noun, suru verb, transitive verbMisuse as overuse: using something to excess, or misappropriation — diverting it to the wrong purpose. Think of the abuse of substances or of funds, where the problem is excess or improper use, not error.
    彼かれは特権とっけんを乱用らんようしたに違ちがいない。↗
    He must have abused the privilege.
  • 誤用ごようCommon
    noun, suru verb, transitive verbIncorrect use through error rather than intent: employing something the wrong way. It is the word for mistakes in usage, such as using a word in the wrong sense — a malapropism.
    その語ごは誤用ごようされやすい。↗
    The word lends itself to misuse by beginners.

Distinguish by what makes the use wrong: 悪用 for deliberate use to a bad end, 乱用 for excessive use or misappropriation, and 誤用 for using something incorrectly by mistake.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese equivalents
See also

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

Say it right, write it right

Core lookup works fully offline, with cloud pronunciation and one-tap save & review. Free, no sign-up.

Free downloadWindowsFree downloadmacOSDownload on the App StoreGet it on Google Play
MobileiOS / Android

Android

QR code for the Google Play pageGet it on Google Play

Scan it with your Android phone to install, or search for “Tomoshi” on Google Play.

iOS

QR code for the App Store pageDownload on the App Store

Scan it with your iPhone camera to install, or search for “Tomoshi” in the App Store.

Install the browser extensionLook words up on any web page · Chrome / Edge / Safari

Screenshot of a Tomoshi lookup resultScreenshot of Tomoshi lookup results on a phone

Windows macOS Chrome / Edge / Safari extension iOS / Android