(Ireland, slang) Clipping of Junior Certificate. / (Ireland, slang) A student in their 3rd year of secondary school.

plural of Junior Cert

(Canada, US) A return to success after a sophomore slump.

A commissioned officer of the United States Navy whose rank is above an ensign's and below a lieutenant, or a corresponding rank in other navies.

(education) A school for children who have completed elementary school or grade school, but are not yet old enough for high school. In the US, it often includes grades 7 and 8, and possibly also 6 or 9.

plural of junior high school

A fictional guidebook with detailed information about all subjects in existence.

plural of lieutenant junior grade

The rank or position of junior; juniority.