plural fourths ˈfȯr(th)s How to pronounce fourth (audio)
: one that is number four in a series
I was the fourth to arrive.
They arrive on the fourth. [=the fourth day of the month]
see Table of Numbers
: one of four equal parts of something : quarter entry 1
Cut the cake into fourths.
a fourth of the population
: a musical interval (see interval sense 2) embracing four tones of the diatonic scale
: a tone at this interval
specifically : subdominant sense 1
: the harmonic combination of two tones a fourth apart
: the fourth forward gear or speed of a motor vehicle
shifted into fourth
the Fourth : July 4 observed as a legal holiday in the U.S. in commemoration of the adoption of the Declaration of Independence in 1776 : Fourth of July
watched fireworks on the Fourth

called also Independence Day

fourth adjective or adverb
the fourth edition of a book
the fourth tallest mountain
fourthly adverb
Fourthly, don't sing a whole opera through … Mark Twain

Examples of fourth in a Sentence

cut the cake into fourths She drank a fourth of the bottle.
Recent Examples on the Web Here were the decisive moments that sent Miami to the All Star break with its sixth win in eight games: Haywood Highsmith hit a corner three to give Miami a 92-91 lead with 7:06 left in the fourth. Barry Jackson, Miami Herald, 15 Feb. 2024 Quarter sandwiches: Cut sandwiches into fourths, and serve. Matt Moore, Southern Living, 8 Feb. 2024 Nearly three fourths of workers feel positive about returning to the office—but one third also believe their offices aren’t ready for their return. Paige McGlauflin, Fortune, 8 Feb. 2024 Apollo was a villain in the first Rocky film, a more nuanced antagonist in the second, a best friend and guru in the third, and a pretext for revenge and the expiation of guilt in the fourth. Vulture, 4 Feb. 2024 The junior scored eight of Maryvale’s 10 points in the third quarter, and Mercy outscored Maryvale 10-7 to widen the lead to 36-21 entering the fourth. Mike Frainie, Baltimore Sun, 28 Jan. 2024 The Pacers got within nine on a few occasions in the fourth. Jason Anderson, Sacramento Bee, 3 Feb. 2024 January is a close second, with March third and December fourth. Mary Gilbert, CNN, 2 Feb. 2024 Fold pastry into fourths and transfer to a 9-inch pie plate. Sheena Chihak, Better Homes & Gardens, 1 Feb. 2024 See More

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

Word History


see four

First Known Use

1594, in the meaning defined at sense 2

Time Traveler
The first known use of fourth was in 1594

Dictionary Entries Near fourth

Cite this Entry

“Fourth.” Dictionary, Merriam-Webster, Accessed 24 Feb. 2024.

Kids Definition


ˈfō(ə)rth How to pronounce fourth (audio)
: one that is number four in a series see number
: the difference in pitch between the first tone and the fourth tone of a scale
fourth adjective or adverb
fourthly adverb

More from Merriam-Webster on fourth

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