fifth

noun

plural fifths ˈfiths How to pronounce fifth (audio)
ˈfif(t)ths,
ˈfif(t)s
1
: one that is number five in a series
Payment is due on the fifth of the month.
see Table of Numbers
2
: one of five equal parts of something
spent a fifth of their income on rent
3
a
: the musical interval embracing five diatonic degrees
b
: a tone at this interval
specifically : dominant sense 1
c
: the harmonic combination of two tones at this interval
4
: a unit of measure for liquor equal to one fifth of a U.S. gallon (0.757 liter)
5
the Fifth : the Fifth Amendment of the U.S. Constitution
also : the right accorded by the Fifth Amendment to refuse to testify against oneself see also plead the Fifth, take the Fifth
fifth adjective or adverb
the fifth annual food festival
She finished fifth in the race.
fifthly adverb
Fourthly, it takes a lot of concrete to make a nuclear power plant. Fifthly, there is no place to put the waste that is safe. Victor Odlivak

Examples of fifth in a Sentence

The bill is due on the fifth of each month. She donated a fifth of her income to charity. bought a fifth of whiskey
Recent Examples on the Web Bubba Wallace still runs third, Kyle Larson fourth and William Byron fifth. Shane Connuck, Charlotte Observer, 7 Apr. 2024 Almost a fifth of US fans say that live women’s sports aren’t easily accessible at home, according to Nielsen. Nathaniel Meyersohn, CNN, 5 Apr. 2024 At their peak, only about two fifths of American workers actually had a pension. Taylor Wilson, USA TODAY, 21 Mar. 2024 Alex Bowman is fourth, Tyler Reddick fifth, Ross Chastain sixth and AJ Allmendinger seventh. Shane Connuck, Charlotte Observer, 24 Mar. 2024 Seeded fifth in the East Region, the Aztecs took it rock by rock vs. Alabama-Birmingham, getting huge efforts — offensively from Jaedon LeDee, and defensively from Lamont Butler — on the way to a 69-65 win. Nick Canepa, San Diego Union-Tribune, 23 Mar. 2024 Though only a fifth of them lived, the ones that survived have flourished. Smithsonian Magazine, 15 Mar. 2024 Unlike them, a sizable proportion of the California electorate was made up of fewer White voters (about a fifth of the electorate was Latino), but Trump won handily among both White and non-White voters alike. Jennifer De Pinto, CBS News, 6 Mar. 2024 About a fifth of homes in the Navajo Nation — located in northeastern Arizona, northwestern New Mexico and southeastern Utah — do not have access to electricity, the U.S. Department of Energy estimates. Sophie Austin, Quartz, 27 Feb. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'fifth.' 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 fifte, fifthe, from Old English fīfta, from fīf five

First Known Use

1557, in the meaning defined at sense 2

Time Traveler
The first known use of fifth was in 1557

Cite this Entry

“Fifth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fifth. Accessed 17 Apr. 2024.

Kids Definition

fifth

noun
1
: one that is number five in a series see number
2
: the difference in pitch between the first tone and the fifth tone of a scale
fifth adjective or adverb
fifthly adverb

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