eighth

noun

ˈātth How to pronounce eighth (audio)
ˈāth
plural eighths ˈāt(th)s How to pronounce eighth (audio)
ˈāths
1
: one that is number eight in a series
the eighth of the month
see Table of Numbers
2
: one of eight equal parts of something
one eighth of a pie
an eighth of a pound
3
4
: octave
He contrasted himself with Elton John, who complained that his chubby hands could only reach an eighth, which was a hindrance to his piano technique (though clearly he overcame the problem).Susan Wyndham
eighth adjective or adverb
the eighth person in line
the country's eighth largest city

Examples of eighth in a Sentence

one eighth of the pie An eighth of a pound is two ounces.
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.
The Rays scored a run in their half of the sixth — and then came the explosive eighth. Lamond Pope, Chicago Tribune, 24 July 2025 In the eighth, José Fermin walked Brett Baty and then gave up a double to Alvarez. Jeff Fletcher, Oc Register, 22 July 2025 In the Washington eighth, Abrams scored on Lowe’s groundout and Wood crossed the plate to make it 11-9 when Bell hit into a fielder’s choice. Miami Herald, 14 June 2025 Each voucher can be redeemed at Lyfe Dispensary in Rockford, Ill. for either an eighth of flower or an edible chosen by the dispensary. Rachel Raposas, People.com, 20 Mar. 2025 See All Example Sentences for eighth

Word History

First Known Use

1557, in the meaning defined at sense 2

Time Traveler
The first known use of eighth was in 1557

Browse Nearby Words

Cite this Entry

“Eighth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eighth. Accessed 29 Jul. 2025.

Kids Definition

eighth

noun
plural eighths ˈāt(th)s How to pronounce eighth (audio)
: one that is number eight in a series see number
eighth adjective or adverb

More from Merriam-Webster on eighth

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!