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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.

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.

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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.

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Prior ³ American  

[prahy-er] / ˈpraɪ ər /

noun

1. Matthew, 1664–1721, English poet.

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prior ¹ British  

/ ˈpraɪə /

adjective

1. (prenominal) previous; preceding

2. before; until

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noun

1. statistics a prior probability

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

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Prior ³ British  

/ ˈpraɪə /

noun

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

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Other Word Forms

• priorly
  adverb
• priorship
  noun
• subpriorship
  noun

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.

Example Sentences

Police received two hits for the license plate — both prior to the shooting, including one at the Fashion Valley mall about six miles from Clark’s home.

From Los Angeles Times • May 22, 2026

Toney scored 32 goals in the Saudi Pro League this season and prior to his move to the Middle East in 2024, netted 36 goals in 85 Premier League games for Brentford.

From BBC • May 22, 2026

For the fourth quarter, the company also recorded income tax expense of $21 million, down from $49 million the year prior.

From The Wall Street Journal • May 22, 2026

That marks a notable change from prior expectations of more than two quarter-point cuts by the Fed by year end.

From Barron's • May 22, 2026

Dasch tried to reassure the FBI that no sabotage would take place prior to the meeting.

From Nazi Saboteurs by Samantha Seiple

Related Words

• above-mentioned
• preceding
• previous