Adjective junior has 3 senses
- junior - younger; lower in rank; shorter in length of tenure or service
Antonyms: senior, elder, older, sr., major, precedential, ranking, superior, higher-ranking
- junior, third-year, next-to-last - used of the third or next to final year in United States high school or college; "the junior class"; "a third-year student"
Antonym: first (indirect, via last, intermediate)
Antonym: last (indirect, via intermediate, first)
- junior - including or intended for youthful persons; "a junior sports league"; "junior fashions"
Antonym: old (indirect, via young)
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Noun junior has 4 senses
- junior - term of address for a disrespectful and annoying male; "look here, junior, it's none of your business"
--1 is a kind of upstart, parvenu, nouveau-riche, arriviste
- junior - a third-year undergraduate
--2 is a kind of lowerclassman, underclassman
- junior - the younger of two men
--3 is a kind of man, adult male
- Junior, Jr, Jnr - a son who has the same first name as his father
--4 is a kind of son, boy
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