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
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.
Less than a fifth of Republicans ranked the CDC as a leading source of public health information, compared to 60 percent of Democrats. Anders Fogh Rasmussen, Newsweek, 5 Feb. 2025 Maryland replied with an 11-0 run fueled by back-to-back-to-back 3-pointers by sophomore shooting guard DeShawn Harris-Smith (his fifth of the season in 23 attempts and first in eight games), Gillespie and Rice. Edward Lee, Baltimore Sun, 30 Jan. 2025 And because remittances make up about a fifth of GDP in Guatemala and about a quarter in El Salvador, Honduras, and Nicaragua, large-scale deportations threaten to deliver a brutal shock to their economies. Will Freeman, The Atlantic, 29 Jan. 2025 The North Korean corps makes up a fifth of the Russian and allied force attempting to eliminate the 250-square-mile salient that 20,000 Ukrainian troops carved out of Kursk in a surprise August offensive. David Axe, Forbes, 22 Jan. 2025 See all Example Sentences for fifth 

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 12 Feb. 2025.

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

More from Merriam-Webster on fifth

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