six·ty | \ˈsiks-tē \
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 \ adjective or noun
sixty adjective
sixty pronoun, plural in construction
sixtyish \ˈsiks-tē-ish \ adjective

Examples of sixty in a Sentence

He retired when he was in his sixties.

Recent Examples on the Web

Finally, out of the crate, Merritt lifted Hootie, a somewhat battered but resilient stuffed owl from the early sixties, also clad in earth tones. John Seabrook, The New Yorker, "Stephin Merritt Unpacks His Peripatetic Past," 11 June 2018 Research at the University of California, Berkeley, found that twenty-somethings report feeling lonely twice as often as people in their fifties and sixties, despite having large social networks. Radha Agrawal, Glamour, "Is Your Tribe Helping or Hurting Your Mental Health?," 1 June 2018 In the latest data, sixty per cent of that market belongs to Juul. Jia Tolentino, The New Yorker, "The Promise of Vaping and the Rise of Juul," 7 May 2018 Kids of the sixties had their Easy-Bake Ovens and nineties babies wouldn't go anywhere without those Tamagotchis. Lindsey Murray, Good Housekeeping, "QUIZ: Can You Guess When Your Favorite Childhood Toys Hit Shelves?," 29 June 2018 Bell began his career in advertising, in the sixties, and joined Saatchi & Saatchi in 1970. Ed Caesar, The New Yorker, "The Reputation-Laundering Firm That Ruined Its Own Reputation," 25 May 2018 The event is open to anyone 14 and up, but last time even people into their sixties got the chance to experience a prom. Caroline Picard, Good Housekeeping, "Mom Throws Incredible Prom for Son With Special Needs," 30 Apr. 2015 Every seven years there is a new addition to the series which checks in with the original subjects, who are now in their sixties and preparing to film the latest installment, 63 Up. Caroline Rogers, Southern Living, "Classic Documentaries Everyone Should See at Least Once," 18 June 2018 Johnson, a grandmother now in her early sixties, is more than two decades into a life sentence for a first-time conviction based on her role in a drug-trafficking case. Jonathan Allen /, NBC News, "Kim Kardashian visits the White House to make clemency plea for drug-trafficking grandmother," 30 May 2018

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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Statistics for sixty

Last Updated

15 Oct 2018

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Time Traveler for sixty

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

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More Definitions for sixty



English Language Learners Definition of sixty

: the number 60

sixties : the numbers ranging from 60 to 69

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


six·ty | \ˈsik-stē \

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).


a state of commotion or excitement

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