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

aged, aging (or ageing), ancient, elderly, geriatric, long-lived, old, older, over-the-hill, senescent, unyoung

Antonyms: Noun


Antonyms: Adjective

young, youthful

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Examples of senior in a Sentence


As his senior, she commanded quite a bit of respect. She was his senior in rank. high school juniors and seniors


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

Daryn Taylor, a senior, says the voyage combines the stresses of college life and being on a working vessel in the open sea. USA TODAY, "‘Molly of Denali,’ saloon discourse, ashes by mail: News from around our 50 states," 10 July 2019 McGee is a redshirt senior who has always made clutch grabs his entire career and has been great with YAC., "Oregon opponent early scouting report: Montana," 10 July 2019 Costa Mesa High’s Malia Tufuga and Huntington Beach’s Xolani Hodel, both of whom are rising seniors, have given verbal commitments to the Cardinal. Andrew Turner,, "Malia Tufuga, Xolani Hodel commit to Stanford for volleyball," 10 July 2019 Tickets are $30 for adults and $25 for teens and seniors 65 and over. Catalina Righter,, "Double headliners set for Roots Festival’s 22nd year," 10 July 2019 Tickets are available online for $7.29 for ages 13 and to 64, $5.19 for seniors ages 65 and older and children 12 and under are free. Chris Sims, Indianapolis Star, "It's the Fourth of July. Here's 26 fireworks shows, events where you can celebrate today," 4 July 2019 Loneliness has gotten much media attention lately, from seniors living alone to young people living anonymously in big urban clusters. Sara Miller Llana, The Christian Science Monitor, "Want to live in the city? Try buying a house with five friends.," 12 June 2019 During a podcast with Axios last month, former FDA Commissioner Scott Gottlieb said that high school seniors over the age of 18 will often purchase Juul products and sell them to their classmates at school. Makena Kelly, The Verge, "Teen vapers are using eBay to dodge age restrictions," 5 June 2019 This should be a young team under Rideau, who may only have two seniors next season. Richard Obert, azcentral, "Chris Rideau, one of St. Mary's all-time greatest players, will lead alma mater's baseball program," 27 June 2019

Recent Examples on the Web: Adjective

High school senior Sydney Cooper founded the first chapter there in March, in Fort Thomas, and now two more are active with another two in the works. Laura Krantz,, "Youth activists push gun control to forefront of 2020 campaign," 13 July 2019 OCEANSIDE Adult dance set for Sunday at senior center An adult dance will be from 3 to 5 p.m. Sunday at Oceanside’s Country Club Senior Center, 455 Country Club Lane. San Diego Union-Tribune, "Sorority recognizes members," 13 July 2019 Kitchenman: Governor, some of the cuts in the budget include programs for more vulnerable Alaskans: Adult public assistance, senior benefits, homeless assistance, adult preventive dental for Medicaid. Anchorage Daily News, "Full text and video of Gov. Mike Dunleavy’s June 28 news conference announcing more than $400 million in budget vetoes," 13 July 2019 The concerns prompted the company to send a senior engineering specialist to the Wednesday Shenandoah City Council meeting to explain to locals why the outages are happening and what the company is doing about it. Jeff Forward, Houston Chronicle, "Shenandoah residents seek answers to Entergy power outages in city," 12 July 2019 Accomplishments: Two-time CHSCA all-state selection as a junior and senior. Sean Begin,, "2019 All-Courant boys volleyball athlete of the year: Leonel Caceres, Newington," 12 July 2019 Although his senior career has been almost entirely as a centre-midfielder of some variety, Luiz started off his footballing development playing as a right back for Vasco de Gama's under-17 side., "Douglas Luiz: 6 Things to Know About the Manchester City Star Linked With Aston Villa," 12 July 2019 In fact, senior staff from the various museums regularly meet to coordinate on construction and other group initiatives, such as a current summer promotion that offers a $2 discount to visitors who show a ticket from another Miracle Mile museum. Carolina A. Miranda,, "Where’s the urban plan for L.A.’s biggest museum makeover in a decade?," 12 July 2019 When Jet was acquired by Walmart for $3.3 billion in 2016, Lore, Hilton and other Jet leaders assumed senior posts at its online business. Matthew Boyle, Fortune, "Walmart Online is Searching for a Revenue Chief Amid Losses and Gains," 12 July 2019

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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Statistics for senior

Last Updated

15 Jul 2019

Look-up Popularity

Time Traveler for senior

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

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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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More from Merriam-Webster on senior

Thesaurus: All synonyms and antonyms for senior

Spanish Central: Translation of senior

Nglish: Translation of senior for Spanish Speakers

Britannica English: Translation of senior for Arabic Speakers

Comments on senior

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