se·​nior | \ ˈsē-nyər How to pronounce senior (audio) \

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



Definition 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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Synonyms & Antonyms for senior

Synonyms: Noun

Synonyms: Adjective

Antonyms: Noun

Antonyms: Adjective

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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
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Recent Examples on the Web: Noun Right now, Nick McLain, a senior at Irvine Beckman High, has bragging rights over brothers Sean and Matt, who play for Arizona State and UCLA, respectively. Los Angeles Times, "McLain trio are the new Bash Brothers at Beckman High, UCLA and Arizona State," 26 Apr. 2021 Halle Schaffer, a senior at San Dieguito High School, placed second and won $1,000 at the state level of Speech Trek, a contest coordinated by the American Association of University Women of California. Laura Groch, San Diego Union-Tribune, "North County School News, April 25," 25 Apr. 2021 Seidt, a senior at U.K., now holds more records than any male or female swimmer in Kentucky history. Phillip Steinmetz, The Courier-Journal, "Sacred Heart secures ninth straight girls swimming and diving state championship," 25 Apr. 2021 As a senior at Holy Spirit Preparatory School in Atlanta, Anthony Edwards commuted about an hour each way from his home in the southern reaches of the city. Scott Cacciola, New York Times, "Anthony Edwards Will Dunk on You. And Beat You in Ping-Pong?," 24 Apr. 2021 Roaya Higazi, a senior at Ohio State University and former Undergraduate Student President spoke to a crowd of protesters Wednesday and reminded them that the student body made demands in June 2020. Ashlee Banks, Essence, "Ohio State Students Demand University Sever Ties with Columbus Police," 22 Apr. 2021 Before the vote, the board’s student representative member, Jasper Coughlin, a senior at Billerica Memorial High School, praised the move as helping students., "Mass. board of education waives MCAS graduation requirement for Class of 2022," 20 Apr. 2021 Tanner, a senior at OPRF, and Wells, a sophomore, are both on the school’s cross country and science Olympiad teams. Steve Schering,, "OPRF High School students to walk 100,000 steps each to raise money for mental health services," 17 Apr. 2021 Williams was one of several people wounded in October when his friend, 18-year-old Mikel Cooper, a senior at Bessemer City High School, was fatally shot. Carol Robinson |, al, "4 teens - including two 16-year-olds - charged in killing of 18-year-old inside Bessemer Comfort Inn," 16 Apr. 2021 Recent Examples on the Web: Adjective Eric Arlia, Hartford HealthCare’s senior system director of pharmacy, said the system will likely begin requesting fewer weekly doses. Alex Putterman,, "Fewer people in Connecticut were vaccinated for COVID-19 last week. Will this affect herd immunity from the virus?," 27 Apr. 2021 The national chapter of Alpha Sigma Phi expelled Durbin from membership after learning of the criminal charges, Danny Miller, senior director of prevention and accountability for the national fraternity, said in an email in January. Darcie Moran, Detroit Free Press, "EMU graduate facing 13 sex assault charges gets plea offer," 26 Apr. 2021 Nonetheless, for healthy, fully vaccinated people, the fear of catching Covid-19 should not be paralyzing, said Vaile Wright, a clinical psychologist and the senior director of health care innovation at the American Psychological Association. NBC News, "Even after being fully vaccinated, many still wrestle with a fear of catching Covid," 25 Apr. 2021 Brown joined the Manchester Financial team after serving as senior director of marketing and public relations for The San Diego Union-Tribune. Laura Groch, San Diego Union-Tribune, "North County Business Briefs, April 25," 25 Apr. 2021 Reusability is key to SpaceX’s strategy of keeping costs down while maintaining a rapid pace of launches for both NASA and its commercial clients, according to Benji Reed, SpaceX’s senior director for human spaceflight. Eric Niiler, Wired, "NASA Launches Astronauts to the ISS on a Reused SpaceX Rocket," 23 Apr. 2021 Chad Hochuli was appointed senior director, development and construction, at LeCesse Development Corp., Altamonte Springs. Joe Rassel,, "People on the move," 22 Apr. 2021 Moné Holder, senior director of advocacy and programs for Florida Rising, a social justice organization, said her team had spent a lot of time informing activists of their rights under their new law. New York Times, "G.O.P. Bills Target Protesters (and Absolve Motorists Who Hit Them)," 21 Apr. 2021 In both cases, those who felt trepidation were just as likely to be vaccinated as not, said Vaile Wright, the association’s senior director for healthcare innovation. Deborah Netburn, Los Angeles Times, "For some of us, returning to pre-COVID life is turning out to be harder than we expected," 21 Apr. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'senior.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of senior


14th century, in the meaning defined at sense 1


14th century, in the meaning defined at sense 1

History and Etymology for senior


Middle English, from Latin, from senior, adjective


Middle English, from Latin, older, elder, comparative of sen-, senex old; akin to Goth sineigs old, Greek henos

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Time Traveler for senior

Time Traveler

The first known use of senior was in the 14th century

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Statistics for senior

Last Updated

28 Apr 2021

Cite this Entry

“Senior.” Dictionary, Merriam-Webster, Accessed 9 May. 2021.

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More Definitions for senior



English Language Learners Definition of senior

 (Entry 1 of 2)

: a person who is older than another person
: a person who is of a higher rank than another person
US : a student in the final year of high school or college



English Language Learners Definition of senior (Entry 2 of 2)

: older in age
: higher in standing or rank than another person in the same position
: of, relating to, or designed for older people


se·​nior | \ ˈsēn-yər How to pronounce senior (audio) \

Kids Definition of senior

 (Entry 1 of 2)

1 : a person older or higher in rank than someone else
2 : a student in the final year of high school or college
3 : an elderly person



Kids Definition of senior (Entry 2 of 2)

1 : being older
Hint: This sense is often used to distinguish a father from a son with the same name. John Doe, Senior
2 : higher in rank or office Who is the senior partner of the law firm?
3 : relating to students in the final year of high school or college


se·​nior | \ ˈsē-nyər \

Legal Definition of senior

: having higher rank or priority a senior lienholder specifically : having a claim on corporate assets and income prior to other securities

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Comments on senior

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