six·​ty | \ ˈsiks-tē How to pronounce sixty (audio) \
plural sixties

Definition of sixty

1 : a number that is equal to six times 10 — see Table of Numbers
2 sixties plural : the numbers 60 to 69 specifically : the years 60 to 69 in a lifetime or century

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Other Words from sixty

sixtieth \ ˈsiks-​tē-​əth How to pronounce sixtieth (audio) \ adjective or noun
sixty adjective
sixty pronoun, plural in construction
sixtyish \ ˈsiks-​tē-​ish How to pronounce sixtyish (audio) \ adjective

Examples of sixty in a Sentence

He retired when he was in his sixties.
Recent Examples on the Web Charles’s best buddy during his teen-age years was his great-uncle, Lord Mountbatten, who was in his sixties. The New Yorker, "Can “The Crown” Make Us Crush on Prince Charles?," 5 Dec. 2019 The only other person downstairs was Walter, a man in his sixties who bore a passing resemblance to Elijah Muhammad. Adam Shatz, The New Yorker, "My Life as a Child Chef," 18 Nov. 2019 This includes the movement’s éminence grise, Owen Marcus, a man in his sixties who’s been running men’s groups for over three decades. Barrett Swanson, Harper's magazine, "Men at Work," 28 Oct. 2019 As a man in his sixties who lacked muscle definition and hops, former Chinese Premier Wen Jiabao always looked somewhat out of place on the hardwood. Joshua Berlinger, CNN, "China's love for the NBA runs deep. But the Rockets scandal is forcing fans to choose between sport and country," 8 Oct. 2019 Blending criticism, memoir, and theory, the author explores the enduring influence of the sixties on art today. Sam Knight, The New Yorker, "Briefly Noted," 5 Nov. 2019 There was no shortage of willing young would-be brides, even in his sixties; being single and president is a killer combo at any age — just ask John Tyler. Fred Schwarz, National Review, "Was James Buchanan Gay?," 26 Sep. 2019 The people around him are all in their late sixties, seventies or eighties. Laignee Barron / Taipei, Time, "'Materialism Will One Day Bring Change.' Why a Senior Defector Believes North Korea's Days Are Numbered," 19 Sep. 2019 During the late sixties and early seventies, Los Angeles became the geographic holy grail of American rock music. Longreads, "The Story of Country Music’s Great Songwriting Duo," 3 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sixty.' 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 sixty

14th century, in the meaning defined at sense 1

History and Etymology for sixty

Middle English, from sixty, adjective, from Old English siextig, noun, group of sixty, from siex six + -tig group of ten; akin to Old English tīen ten

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Time Traveler for sixty

Time Traveler

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

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Statistics for sixty

Last Updated

10 Dec 2019

Cite this Entry

“Sixty.” The Dictionary, Merriam-Webster Inc., Accessed 10 December 2019.

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More Definitions for sixty


How to pronounce sixty (audio)

English Language Learners Definition of sixty

: the number 60
: the numbers ranging from 60 to 69
: a set of years ending in digits ranging from 60 to 69


six·​ty | \ ˈsik-stē How to pronounce sixty (audio) \

Kids Definition of sixty

 (Entry 1 of 2)

: being six times ten



Kids Definition of sixty (Entry 2 of 2)

: six times ten : 60

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More from Merriam-Webster on sixty

Spanish Central: Translation of sixty

Nglish: Translation of sixty for Spanish Speakers

Britannica English: Translation of sixty for Arabic Speakers

Comments on sixty

What made you want to look up sixty? Please tell us where you read or heard it (including the quote, if possible).


to state or do over again or repeatedly

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