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

Keep scrolling for more

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 An Area of Darkness, V. S. Naipaul (1965) This is old-school Naipaul—the travelogue that made his name and expertly defined the India of the early sixties (even the writer's former protégé turned nemesis Paul Theroux confesses admiration). Cnt Editors, Condé Nast Traveler, "The 87 Greatest Travel Books of All Time, According to Authors," 8 Jan. 2020 Everything about the show has been aged up: from the middle-aged cast, who replaced the previous seasons' youthful actors, to the production design, which has shifted its reference point from Britain's humble postwar era to the groovy sixties. Chloe Foussianes, Town & Country, "The Crown's Costume Designer on Dressing Princess Margaret Like Elizabeth Taylor," 20 Nov. 2019 The hotel’s mid-century modern architecture and decor are a trip back to the sixties. Alyssa Fiorentino, House Beautiful, "TWA Hotel Is Opening an Ice Skating Rink on a Tarmac," 15 Nov. 2019 And with racial tension going back to the sixties and many jobs and white people leaving the city, Detroit’s infrastructure has suffered. NBC News, "Detroit may be going through a revival, but how does this impact education?," 6 Sep. 2019 The sports car is styled after the iconic Shelby Daytona Coupes of the mid-sixties, with a massive rear-window. Joseph Geha, The Mercury News, "‘Fabulous cars:’ Saratoga Classic & Cool Car Show marks 10 years," 28 July 2019 The company specializes in Arctic Canada, Greenland and Atlantic Canada and specifically caters to older solo travelers, with the average client in her sixties, says chief executive officer Cedar Swan. Mary Kane,, "Retirement: Retired travelers going solo," 10 Dec. 2019 The Silicon Valley impact has been most striking for some at Esalen Institute, the pioneering hippie retreat on Big Sur’s wild southern edge that helped introduce mainstream America to psychedelics and the Human Potential Movement in the sixties. Josh Marcus, Outside Online, "Has Overtourism Killed Big Sur?," 3 Oct. 2019 In the sixties, John served in the Peace Corp, building schools in St. Croix and in Gabon, Africa which still stand and function today., "John Vincent Mascolo Jr.," 10 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.

See More

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

Keep scrolling for more

Learn More about sixty

Time Traveler for sixty

Time Traveler

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

See more words from the same century

Statistics for sixty

Last Updated

22 Jan 2020

Cite this Entry

“Sixty.” The Dictionary, Merriam-Webster Inc., Accessed 22 January 2020.

Keep scrolling for more

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

Keep scrolling for more

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 help to grow, develop, or succeed

Get Word of the Day daily email!

Test Your Vocabulary

Intact Latin Quiz

  • roman tablet
  • What did focus mean in Latin?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!