1
: a person older than another
five years my senior
2
a
: 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
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
Examples of senior in a Sentence
Noun
As his senior, she commanded quite a bit of respect.
She was his senior in rank.
high school juniors and seniors
Adjective
the senior vice president of marketing
She is a senior aide to the president.
a senior editor for the magazine
He recently became a senior partner in the accounting firm.
the men's senior baseball league
Recent Examples on the Web
Melissa Willets, Parents, 8 Apr. 2025
In less than one week, many Americans will no longer be able to apply for Social Security benefits over the phone, setting the stage for disruptions and upheaval for millions of seniors.
—Emily Peck, Axios, 8 Apr. 2025
Nolan Hout, Forbes.com, 28 Mar. 2025
Yet, when the team needed a goal, Caruso delivered, mostly to the head of senior teammate Samantha Villaverde off corner kicks and set pieces.
—Gary Curreri, Sun Sentinel, 28 Mar. 2025
See All Example Sentences for senior
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Noun
As the saying goes, early bird gets the worm (or the discount on the pancake breakfast at the local diner) and the early bird tends to always be seniors.
—Melissa Willets, Parents, 8 Apr. 2025
In less than one week, many Americans will no longer be able to apply for Social Security benefits over the phone, setting the stage for disruptions and upheaval for millions of seniors.
—Emily Peck, Axios, 8 Apr. 2025
Adjective
Nolan Hout is senior vice president of growth at Infopro Learning.
—Nolan Hout, Forbes.com, 28 Mar. 2025
Yet, when the team needed a goal, Caruso delivered, mostly to the head of senior teammate Samantha Villaverde off corner kicks and set pieces.
—Gary Curreri, Sun Sentinel, 28 Mar. 2025
See All Example Sentences for senior
Cite this Entry
“Senior.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/senior. Accessed 11 Apr. 2025.
Copy CitationKids Definition
senior
1 of 2 noun
se·nior
ˈsē-nyər 
1
: a person who is older than another
five years my senior
2
a
: a person with higher standing or rank
b
: a student in the final year of high school or college
senior
2 of 2 adjective1
: being older
—used to distinguish a father from a son with the same name
John Doe, Senior
2
: higher ranking
senior officers
the senior partner of the law firm
3
: of or relating to seniors in an educational institution
the senior class
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