乱用 (ran'yō) means “abuse” | MotiTan Japanese Dictionary

More examples

個人情報の乱用を防ぐ仕組みが必要です。ko jin jō hō no ran yō o fuse gu shi ku mi ga hitsu yō de su

A system to prevent the misuse of personal information is necessary.

Refers to taking advantage of something through improper or excessive use, especially when the use causes harm or violates a proper limit.

悪用akuyō: Using something for a harmful or improper purpose.
誤用goyō: Using something incorrectly or contrary to its intended purpose.

物事を必要以上に、または不適切な仕方で使うこと。mono goto o hitsu yō i jō ni ma ta wa fu teki setsu na shi kata de tsuka u ko to

乱用 (ran'yō) joins 乱 (ran, "disorder") with 用 (yō, "use"), linking the word to use that is uncontrolled or improper.

In English, abuse can mean harmful treatment of a person, but 乱用 (ran'yō) usually concerns improper use of power, resources, or systems.