sixty

noun

six·​ty ˈsiks-tē How to pronounce sixty (audio)
plural sixties
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
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Take Eric, a man in his late sixties who has served some thirty-five years and will never be released. Brooke Allen, New Yorker, 12 July 2025 Heathrow was the first to offer an airport VIP service in the early sixties, initially serving diplomats and royalty exclusively. Michele Robson, Fortune, 5 July 2025 In the late fifties and early sixties the Method was the rage, especially among the young actors of about Willy’s age, who all idolized Marlon Brando and would go on to transform American cinema in a few years: Warren Beatty, Al Pacino, Dustin Hoffman, and so on. Benjamin Hale june 23, Literary Hub, 23 June 2025 The landlord, an engineer named Mr. Palit, who occupied the ground floor, was an acquaintance of my parents’ from the late sixties, one of the few members of their Bengali circle who still lived in the city. Jhumpa Lahiri, New Yorker, 30 June 2025 See All Example Sentences for sixty

Word History

Etymology

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

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Cite this Entry

“Sixty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sixty. Accessed 21 Jul. 2025.

Kids Definition

sixty

noun
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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