- 1[countable] a student in the year before the last year of high school or college compare freshman, senior, sophomore
- 2[countable] a person who has a job at a low level within an organization office juniors
- 3[singular] (informal) a person's young son I leave junior with Mom when I'm at work. Idioms
in school/college
to be younger than someone, by the number of years mentioned She's four years his junior. She's his junior by four years.
Check pronunciation: junior