ENGLISH
REFERENCE

prevail

v.
US //pɹiˈveɪɫ// UK //pɹɪvˈeɪl// pre·vail
  1. 1 to triumph (v.)
    C1 Advanced Formal

    to win or be successful after a long struggle or difficult situation.

    to prove superior in strength, power, or influence; to triumph over opposition.

    Example

    After a long and difficult court case, justice finally prevailed.

    Example

    Despite the initial setbacks and the overwhelming odds against them, the small rebel force managed to prevail over the occupying army.

    Usage

    Often used with the preposition 'over'.

  2. 2 to be widespread (v.)
    C1 Advanced Academic Formal

    to be common or exist generally in a particular place or at a particular time.

    to be current, widespread, or predominant within a specific context or geographical area.

    Example

    A sense of sadness prevailed throughout the small town after the factory closed.

    Example

    The harsh economic conditions that prevailed during the late nineteenth century forced many families to emigrate in search of better opportunities.

    Usage

    Typically used in the present tense to describe customs, conditions, or weather patterns.

Show 1 more senseShow fewer
  1. 3 to persuade (v.)
    C2 Proficiency Formal Literary

    to successfully persuade someone to do something.

    to succeed in persuading or inducing someone to act in a certain way.

    Example

    We finally prevailed upon him to join us for dinner.

    Example

    After hours of intense negotiation, the mediators finally prevailed upon the union leaders to accept the revised contract terms.

    Usage

    Almost always used with the preposition 'upon' or 'on'.

Origin

From Middle English prevailen, from Old French prevaler, from Latin praevaleō (“be very able or more able, be superior, prevail”), from prae (“before”) + valeō (“be able or powerful”). Displaced native Old English rīcsian.

Idioms1 entry

© 2026 English Reference