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  • prior
    prior
    adjective
    preceding in time or in order; earlier or former; previous.
  • Prior
    Prior
    noun
    Matthew, 1664–1721, English poet.
Synonyms

prior

1 American  
[prahy-er] / ˈpraɪ ər /

adjective

  1. preceding in time or in order; earlier or former; previous.

    A prior agreement prevents me from accepting this.

    Synonyms:
    antecedent, anterior
  2. preceding in importance or privilege.


noun

  1. Informal. a prior conviction.

idioms

  1. prior to, preceding; before.

    Prior to that time, buffalo had roamed the Great Plains in tremendous numbers.

prior 2 American  
[prahy-er] / ˈpraɪ ər /

noun

  1. an officer in a monastic order or religious house, sometimes next in rank below an abbot.

  2. a chief magistrate, as in the medieval republic of Florence.


Prior 3 American  
[prahy-er] / ˈpraɪ ər /

noun

  1. Matthew, 1664–1721, English poet.


prior 1 British  
/ ˈpraɪə /

adjective

  1. (prenominal) previous; preceding

  2. before; until

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. statistics a prior probability

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
prior 2 British  
/ ˈpraɪə /

noun

  1. the superior of a house and community in certain religious orders

  2. the deputy head of a monastery or abbey, ranking immediately below the abbot

  3. (formerly) a chief magistrate in medieval Florence and other Italian republics

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Prior 3 British  
/ ˈpraɪə /

noun

  1. Matthew. 1664–1721, English poet and diplomat, noted for his epigrammatic occasional verse

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of prior1

First recorded in 1705–15; from Latin: “former, elder, superior” (adjective), “before” (adverb); akin to pre-, prime

Origin of prior2

First recorded before 1100; Middle English, late Old English, from Medieval Latin, Late Latin: “one superior in rank”; noun use of prior prior 1

Explanation

Generally you should eat dinner prior to brushing your teeth. Use the adjective prior for things that exist earlier in time or that happen first in time or order. This is a formal word that is often used in legal language. A prior claim is a person's right to something that is considered more important or valuable because it came first. If you're looking for a less formal synonym, choose the word previous. Prior is from a Latin word with the same spelling.

Keep Reading on Vocabulary.com

Vocabulary lists containing prior

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Prior to the decision, plaintiffs could prove a claim under Section 2 by showing evidence of a disparate impact on minority voters, regardless of whether the mapmakers intended it.

From Salon • May 7, 2026

Prior to the merger, Witherow had been Cedar Fair’s finance chief since 2012.

From The Wall Street Journal • May 7, 2026

Prior to the start of the tournament last year, only four - Ding Junhui, Zhang Anda, Xiao and Si Jiahui - sat inside the top 16.

From BBC • May 5, 2026

Prior to her political career, she was an attorney at the Lawyers’ Committee for Civil Rights and is a leader of the Working Families Party.

From Los Angeles Times • May 1, 2026

Prior to rendering a verdict, jurors expressed concerns about Mrs. Colbey being subject to the death penalty, so the State agreed not to pursue an execution if she was found guilty.

From "Just Mercy" by Bryan Stevenson