ENGLISH
REFERENCE

misuse

n. · v.
US //mɪsˈjus// mis·use
  1. 1 wrong use (n.)
    B2 Upper Intermediate

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

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

    Example

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

    Example

    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'.

    • proper use
  2. 2 to use incorrectly (v.)
    B2 Upper Intermediate

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

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

    Example

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

    Example

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

Show 1 more senseShow fewer
  1. 3 to mistreat (v.)
    C1 Advanced Formal

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

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

    Example

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

    Example

    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.

Etymology 1

From mis- + use (noun).

Etymology 2

From mis- + use (verb).

© 2026 English Reference