Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “first”

first

adjective     /ˈfɜːst/
BEFORE A1 coming before all others: Who was the first person to arrive at the party? He was nervous on his first day at school. Her first novel didn't sell very well. They went abroad last year for the first time since having children.First and firstly
NUMBER 1st written as a wordFirst and firstlyOrdinal numbers
IMPORTANT A2 most important: Sheila won first prize in the photo competition. → See also in the first placeBeing important and having importance
(Definition of first adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “first” in other dictionaries

Word of the Day

exercise

physical activity that you do to make your body strong and healthy

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