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.
At the University of Oklahoma, the number jumped from twenty-four per cent to forty-five per cent. Jeffrey Selingo, New Yorker, 19 Sep. 2025 The doctor may be exhausted from lack of sleep, or distraught after having performed CPR on a baby for forty-five minutes. Rachel Pearson, Harpers Magazine, 19 Sep. 2025 Cuomo would capture the vast majority of both Adams' and Sliwa's current support and win a majority of voters over forty-five. Martha McHardy, MSNBC Newsweek, 9 Sep. 2025 When the battery’s completely flat, this increases to two hours and forty-five minutes. Matthew MacConnell, Forbes.com, 20 Aug. 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 20 Sep. 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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