English Reference
noun · verb

misuse

n. · v.
US /mɪsˈjus/ mis·use UK spelling misuses, misusing

  1. 01 B2 Upper Intermediate

    n.the act of using something in a way that is wrong, illegal, or not intended.

    n.the incorrect, improper, or unlawful use of a resource, power, or object.

    Simple

    The misuse of company funds led to a serious investigation by the police.

    In context

    The report highlighted the widespread misuse of public data, suggesting that current privacy laws were insufficient to protect citizens.

    Usage

    Often followed by the preposition 'of'.

    abusemisapplicationexploitation
    proper use
  2. 02 B2 Upper Intermediate

    v.to use something in the wrong way or for the wrong purpose.

    v.to apply or utilise something in an incorrect or inappropriate manner.

    Simple

    If you misuse the equipment, it might break and cause an accident.

    In context

    The researcher was accused of misusing the statistical data to support a conclusion that the evidence did not actually justify.

    misapplywaste
  3. 03 C1 Advanced Formal

    v.to treat a person or an animal in a cruel or unfair way.

    v.to treat someone or something with cruelty or lack of care; to abuse.

    Simple

    The king was known to misuse his servants, making them work long hours without food.

    In context

    Historical accounts suggest the governor frequently misused his subordinates, subjecting them to harsh conditions and arbitrary punishments.

    Teacher's tip

    In modern English, 'mistreat' or 'abuse' is much more common for people; 'misuse' is usually reserved for objects or systems.

    mistreatabuseill treat

Alcohol misuse is one of the top public health challenges in the United States.

The Conversation· 14 Aug 2026

The goal is not to catch every possible misuse of AI.

The Conversation· 10 Jul 2026

Etymology 1

From mis- + use (noun).

Etymology 2

From mis- + use (verb).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level B2 · Upper Intermediate
Frequency Frequent
Updated