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
While overall macronutrient needs remain generally the same in the fifties and beyond, appetite and thirst tend to decrease.
—
Emma Loewe, Outside, 1 Jan. 2026
Leon Festinger, a young American psychologist at the University of Minnesota, read about these rumors in the early nineteen-fifties and was puzzled.
—Shayla Love, New Yorker, 17 Dec. 2025
Both in their fifties, Vivian and Malcolm bring wit, warmth and a refreshing maturity to a romance that reads like a modern fairytale.
—Lizz Schumer, PEOPLE, 30 Nov. 2025
Both my dad and stepdad died of overdoses; my stepfather was in his mid-forties, and my biological father was in his early fifties.
—Brontez Purnell, Harpers Magazine, 23 Nov. 2025
See All Example Sentences for fifty
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.
Emma Loewe, Outside, 1 Jan. 2026
Leon Festinger, a young American psychologist at the University of Minnesota, read about these rumors in the early nineteen-fifties and was puzzled.
—Shayla Love, New Yorker, 17 Dec. 2025
Both in their fifties, Vivian and Malcolm bring wit, warmth and a refreshing maturity to a romance that reads like a modern fairytale.
—Lizz Schumer, PEOPLE, 30 Nov. 2025
Both my dad and stepdad died of overdoses; my stepfather was in his mid-forties, and my biological father was in his early fifties.
—Brontez Purnell, Harpers Magazine, 23 Nov. 2025
See All Example Sentences for fifty
Cite this Entry
“Fifty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fifty. Accessed 4 Jan. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share