Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “prior”

prior

adjective, adverb [not gradable]  /ˈprɑɪ·ər/ us  
coming before in time, order, or importance: She denied prior knowledge of the meeting. Passengers may board the plane twenty minutes prior to (= before) departure.
(Definition of prior from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of prior?
Add Cambridge dictionaries to your browser to your website

Definitions of “prior” in other dictionaries

Word of the Day

flair

natural ability to do something well

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More