Definition of senior
(Entry 1 of 2)
1
: a person older than another
five years my senior
2a
: a person with higher standing or rank
b
: a senior fellow of a college at an English university
c
: a student in the year preceding graduation from a school of secondary or higher level
3
capitalized
: a member of a program of the Girl Scouts for girls in the 9th through 12th grades in school
4
: senior citizen
senior
adjectiveDefinition of senior (Entry 2 of 2)
1
: of prior birth, establishment, or enrollment
—often used to distinguish a father with the same given name as his son
2
: higher ranking : superior
senior officers
3
: of, relating to, or intended for seniors
a senior center
4
: having a claim on corporate assets and income prior to other securities
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Merriam-Webster unabridged
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Time Traveler for senior
The first known use of senior was in the 14th century
See more words from the same century