forty

noun

for·​ty ˈfȯr-tē How to pronounce forty (audio)
plural forties
1
: a number equal to four times 10 see Table of Numbers
2
forties plural : the numbers 40 to 49
specifically : the years 40 to 49 in a lifetime or century
3
: the third point scored by a side in a game of tennis
4
or 40 US, informal : a forty-ounce bottle or other container of an alcoholic beverage (such as beer or malt liquor)
Kelvin finished his forty in seven or eight long gulps. Tossed the bottle in the median carpeted with brown grass.Dave Byrne
… smoking weed and drinking 40s while her kids run loose.Jim Schutze
fortieth adjective or noun
forty adjective
forty pronoun, plural in construction
fortyish adjective

Examples of forty in a Sentence

The temperature outside is in the high forties. She is in her forties.
Recent Examples on the Web Rife was scheduled for between thirty and forty shows a month, a breakneck pace that’s unusual outside of Broadway or professional baseball. Carrie Battan, The New Yorker, 13 Aug. 2024 But their greatest-hits collection Chronicle is riding high on the Billboard 200 every week, always somewhere in the thirties or forties. Rob Sheffield, Rolling Stone, 4 Aug. 2024 Martha, the daughter, is single, in her late forties, and Judy, the mother, is also on her own, divorced from her husband and estranged from Martha’s older sister, Molly. Deborah Treisman, The New Yorker, 28 July 2024 The researchers observed that the women who followed a healthy diet from their forties onward were 43 to 84 percent more likely to be well-functioning physically and mentally at age 70 than those who did not. Don Rauf, EverydayHealth.com, 2 July 2024 See all Example Sentences for forty 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'forty.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Middle English fourty, adjective, from Old English fēowertig, from fēowertig group of 40, from fēower four + -tig group of 10; akin to Old English tīen ten

First Known Use

before the 12th century, in the meaning defined at sense 1

Time Traveler
The first known use of forty was before the 12th century

Dictionary Entries Near forty

Cite this Entry

“Forty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/forty. Accessed 20 Aug. 2024.

Kids Definition

forty

noun
for·​ty ˈfȯrt-ē How to pronounce forty (audio)
plural forties
: a number equal to four times 10 see number
fortieth adjective or noun
forty adjective or pronoun
fortyish adjective

More from Merriam-Webster on forty

Last Updated: - Updated example sentences
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