Main entry: junior
Definition: younger; lower in rank; shorter in length of tenure or service
Antonyms: senior
Definition: older; higher in rank; longer in length of tenure or service
Antonyms: primary
Definition: of first rank or importance or value; direct and immediate rather than secondary
Antonyms: major
Definition: greater in number or size or amount
Antonyms: major
Definition: greater in scope or effect
Antonyms: major
Definition: of full legal age
Antonyms: major
Definition: of a scale or mode
Antonyms: major
Definition: of the field of academic study in which one concentrates or specializes
Antonyms: major
Definition: of greater importance or stature or rank
Antonyms: major
Definition: of greater seriousness or danger
Main entry: junior
Definition: including or intended for youthful persons
Usage: a junior sports league; junior fashions
Definition: people who are old collectively
Antonyms: old
Definition: (used especially of persons) having lived for a relatively long time or attained a specific age
Antonyms: mature
Definition: having reached full natural growth or development
Antonyms: mature
Definition: characteristic of maturity
Main entry: junior, next-to-last, third-year
Definition: used of the third or next to final year in United States high school or college
Usage: the junior class; a third-year student
Antonyms: terminal
Definition: being or situated at an end