Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “junior”


  /ˈdʒun·jər/ adj
less important than other people doing the same job: a junior officer
for or relating to young people: a junior tennis tournament
relating to a student’s third year of high school or college: my junior year
(Definition of junior adj from the Webster's Essential Mini Dictionary © Cambridge University Press)

More Essential American English definitions for “junior”

Definitions of “junior” in other dictionaries

Word of the Day


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

Word of the Day


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