six·​ty ˈsiks-tē How to pronounce sixty (audio)
plural sixties
: a number that is equal to six times 10 see Table of Numbers
sixties plural : the numbers 60 to 69
specifically : the years 60 to 69 in a lifetime or century
sixtieth adjective or noun
sixty adjective
sixty pronoun, plural in construction
sixtyish adjective

Examples of sixty in a Sentence

He retired when he was in his sixties.
Recent Examples on the Web Ronald Reagan asked the right questions in 1984, when these men were in their sixties, and an American president traveled to the cliffs above Omaha Beach to pay them honor. The Editors, National Review, 6 June 2024 Nitrate had in the sixties been discovered in considerable quantities in Bolivian and Peruvian territory, particularly around Antofagasta, Bolivia, and in the Peruvian province of Tarapacá. Edwin M. Borchard, Foreign Affairs, 7 Oct. 2011 Americans’ ideas of what constitutes retirement is also shifting, and Irwin suspects many Gen Zers just want more freedom—to travel, to be present for their children, to pursue passion projects before their sixties or seventies. Byalicia Adamczyk, Fortune, 16 May 2024 In the fifties and sixties, wages and benefits grew for union miners, but the fear that jobs could disappear at any moment was often employed as a cudgel by industry bosses. Dan Kaufman, The New Yorker, 9 May 2024 My performance partner was older, in her sixties or seventies, not religious, had cats and no kids. Hazlitt, 8 May 2024 For now, the company only has two members of the Puig family, both of whom are in their sixties. Prarthana Prakash, Fortune Europe, 2 May 2024 As the production progresses toward the late sixties through the 1980s and into the present, the trio is evicted five times, moving together and apart in varied apartments and condos. Aramide Tinubu, Variety, 26 Apr. 2024 For regular people, though, booking a table at all but the most exclusive restaurants—Le Pavillon in the fifties, the Four Seasons in the sixties, Sign of the Dove in the seventies, Le Cirque in the eighties, Per Se in the two-thousands—required only a telephone. Adam Iscoe, The New Yorker, 22 Apr. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'sixty.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


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

First Known Use

14th century, in the meaning defined at sense 1

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

Dictionary Entries Near sixty

Cite this Entry

“Sixty.” Dictionary, Merriam-Webster, Accessed 19 Jun. 2024.

Kids Definition


six·​ty ˈsik-stē How to pronounce sixty (audio)
plural sixties
: a number that is equal to six times 10 see number
sixtieth adjective or noun
sixty adjective or pronoun

More from Merriam-Webster on sixty

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