forty-five

noun

for·​ty-five ˌfȯr-tē-ˈfīv How to pronounce forty-five (audio)
1
: a number that is five more than 40 see Table of Numbers
2
: a .45 caliber handgun
usually written .45
3
: a phonograph record designed to be played at 45 revolutions per minute
usually written 45
forty-five adjective
forty-five pronoun, plural in construction

Examples of forty-five in a Sentence

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.
On September 23, 1947, forty-five members of the American film industry were subpoenaed by HUAC to prove their loyalty to the United States. Chris Yogerst, HollywoodReporter, 6 Oct. 2025 In 2012, the New York Civil Liberties Union released a report stating that the average length of a sentence in the SHU was five months, and that the state currently held forty-five hundred people in solitary confinement. Jennifer Gonnerman, New Yorker, 6 Oct. 2025 That a New York Times writer would suggest that any forty-five-minute episode of a true crime show could capture the entire story behind a woman’s crime is absurd. John J. Lennon september 24, Literary Hub, 24 Sep. 2025 At forty-five years old, Shane was fit and healthy. John J. Lennon, Rolling Stone, 23 Sep. 2025 See All Example Sentences for forty-five

Word History

First Known Use

circa 1623, in the meaning defined at sense 1

Time Traveler
The first known use of forty-five was circa 1623

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Cite this Entry

“Forty-five.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/forty-five. Accessed 15 Oct. 2025.

Kids Definition

forty-five

noun
for·​ty-five
ˌfȯrt-ē-ˈfīv
: a .45 caliber pistol
usually written .45

More from Merriam-Webster on forty-five

Last Updated: - Updated example sentences
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