乱らん用よう

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Common wordJLPTN1Freq.FrequencyTop 20,000

乱用する · noun or participle which takes 'suru'

Meanings

Using something in a way that is excessive, improper, or beyond its intended purpose. Often used for power, authority, drugs, or resources.

〈物もの〉を乱らん用ようするto abuse/overuse something (e.g. power, authority, drugs)
彼かれは自じ分ぶんの地ち位いを乱らん用ようして不ふ正せいな利り益えきを得えた。
He abused his position to gain illicit profits.
〈物もの〉の乱らん用ようthe abuse/overuse of something
権けん力りょくの乱らん用ようは決けっして許ゆるされない。
Abuse of power can never be tolerated.

悪あく用ようN1
悪用 means using something for a bad or criminal purpose, while 乱用 refers to excessive or improper use that isn't necessarily malicious.
酷こく使し
酷使 means working a person, body part, or machine too hard until it strains or breaks down, while 乱用 means misusing something like power, drugs, or trust.
振ふり回まわす
乱用する means to misuse or abuse something (like power or a right) in a general sense, while 振り回す specifically evokes wielding that power arbitrarily over others.

誤ご用よう
誤用 is misuse caused by a mistake or misunderstanding, whereas 乱用 is deliberate or careless overuse/abuse of something.
多た用よう
乱用 means misuse or abuse and is always negative, while 多用 just means using something a lot and is not necessarily bad.
乱らん獲かく
乱獲 means overhunting or overfishing of wildlife, whereas 乱用 means misuse or abuse of something like power or drugs, despite sharing the kanji 乱.

件けんN2
乱用 is counted with 件 when referring to individual cases or instances of abuse, such as 職権乱用の三件.

乱らん用ようUsage59%
Standard kanji spelling; the most common form in modern Japanese.
濫らん用ようUsage41%
Alternative kanji spelling using the older form 濫; less common but still seen.

Compound of 乱 (disorder, confusion) and 用 (use). The spelling 濫用 uses the character 濫 (overflow, excessive), which reinforces the nuance of overuse.