plural fifties
1
: a number equal to five times 10 see Table of Numbers
2
fifties plural
: the numbers 50 to 59
specifically
: the years 50 to 59 in a lifetime or century
3
: a 50-dollar bill
fifty
adjective
fifty
pronoun, plural in construction
Examples of fifty in a Sentence
She is in her fifties.
The bill for dinner came to $43, and she gave him a fifty.
Recent Examples on the Web
London’s Metropolitan Police confirmed that a man in his fifties had been arrested Thursday evening at the museum.
—
Caroline Frost, Deadline, 26 Jan. 2025
The iconic aircraft began spying over Russia in the late fifties, and, amazingly, is still in operation today.
—Jim Clash, Forbes, 31 Dec. 2024
The invasive sea lamprey brought Great Lakes fishing to its knees in the fifties and sixties, until local communities and scientists battled back.
—Jayme Moye, Outside Online, 17 Jan. 2025
His colleagues were men in their fifties and sixties who’d started out in radio.
—Susan Morrison, The New Yorker, 13 Jan. 2025
See all Example Sentences for fifty 
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Caroline Frost, Deadline, 26 Jan. 2025
The iconic aircraft began spying over Russia in the late fifties, and, amazingly, is still in operation today.
—Jim Clash, Forbes, 31 Dec. 2024
The invasive sea lamprey brought Great Lakes fishing to its knees in the fifties and sixties, until local communities and scientists battled back.
—Jayme Moye, Outside Online, 17 Jan. 2025
His colleagues were men in their fifties and sixties who’d started out in radio.
—Susan Morrison, The New Yorker, 13 Jan. 2025
See all Example Sentences for fifty
Dictionary Entries Near fifty
Cite this Entry
“Fifty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fifty. Accessed 5 Feb. 2025.
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