Adjective senior has 3 senses
- senior - older; higher in rank; longer in length of tenure or service; "senior officer"
Antonyms: junior, junior-grade, inferior, lower, lower-ranking, lowly, petty, secondary, subaltern, subordinate, minor, younger, jr.
- senior, fourth-year - used of the fourth and final year in United States high school or college; "the senior prom"
Antonym: intermediate (indirect, via first, last)
Antonym: first (indirect, via last, intermediate)
- aged, elderly, older, senior - advanced in years; (`aged' is pronounced as two syllables); "aged members of the society"; "elderly residents could remember the construction of the first skyscraper"; "senior citizen"
Antonyms: young, immature (indirect, via old)
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Noun senior has 2 senses
- senior - an undergraduate student during the year preceding graduation
--1 is a kind of undergraduate, undergrad
- elder, senior - a person who is older than you are
--2 is a kind of adult, grownup
--2 has particulars: dean, doyen; doyenne
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