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
Synonyms
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
Stephanie Armour, CBS News, 4 Nov. 2024
This bipartisan legislation aims to provide improved access to non-opioid treatments for pain management for seniors and disabled folks.
—Joshua P. Cohen, Forbes, 3 Nov. 2024
Mary Ann Grossmann, Twin Cities, 10 Nov. 2024
In the first half, Keith tossed two TDs to senior Elise Kung, including one for 49 yards on a deep throw.
—Dan Albano, Orange County Register, 9 Nov. 2024
See all Example Sentences for senior 
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Noun
The Trump campaign also noted enhancements to Medicare Advantage plans during his tenure as president, such as increasing access to telehealth and expanding supplemental benefits for seniors with chronic diseases.
—Stephanie Armour, CBS News, 4 Nov. 2024
This bipartisan legislation aims to provide improved access to non-opioid treatments for pain management for seniors and disabled folks.
—Joshua P. Cohen, Forbes, 3 Nov. 2024
Adjective
She’s poised to hand an instrument to a senior doctor in the ER.
—Mary Ann Grossmann, Twin Cities, 10 Nov. 2024
In the first half, Keith tossed two TDs to senior Elise Kung, including one for 49 yards on a deep throw.
—Dan Albano, Orange County Register, 9 Nov. 2024
See all Example Sentences for senior
Articles Related to senior
Dictionary Entries Near senior
Cite this Entry
“Senior.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/senior. Accessed 23 Nov. 2024.
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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