\ ˈātth How to pronounce eighth (audio) , ˈāth\
plural eighths\ ˈāt(th)s How to pronounce eighths (audio) , ˈāths \

Definition of eighth

1 : one that is number eight in a series — see Table of Numbers
2 : octave

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Other Words from eighth

eighth adjective or adverb

Examples of eighth in a Sentence

one eighth of the pie An eighth of a pound is two ounces.

Recent Examples on the Web

Proud Clarion went winless in three starts at 2 and didn’t run in a stakes of farther than seven-eighths of a mile until nine days before the Derby, finishing second in Keeneland’s Blue Grass. Gabe Hauari, The Courier-Journal, "What Kentucky Derby horse won with the longest odds? Here are the top 10," 4 May 2018 On the mound: Lefty Daniel Stumpf made his 11th appearance of the spring and pitched a 1-2-3 eighth. ... George Sipple, Detroit Free Press, "Detroit's Michael Fulmer has strong outing as Tigers beat Braves, 10-3," 25 Mar. 2018 Yes, that’s up to one-eighth of the normal allotment of words spoken per day. Matthew Martinez, star-telegram, "Got friends who only talk about themselves? They could be mentally ill, study shows | Fort Worth Star-Telegram," 7 Mar. 2018 Even those preferring not to deal in decimals will recognize that as about one eighth of an inch more than the .37 inches that fell on Jan. 12, which had heretofore held the title of the year’s wettest day in Washington. Martin Weil, Washington Post, "Washington’s wettest day of 2018 was Sunday," 4 Feb. 2018 In August, voters rejected Chastain’s plan for a three-eighths-cent sales tax increase for 25 years to help pay the costs of a rapid rail and electric bus system from Vivion Road in the Northland to the Kansas City Zoo. Matt Campbell, kansascity, "Clay Chastain again proposing gondolas as part of smart rail plan for KC," 12 Feb. 2018 Those teeth help a wild groundhog dig an elaborate burrow under as much as one-eighth of an acre. Grant Segall, cleveland.com, "Groundhog sees its shadow, thanks to a spotlight at the Cleveland Museum of Natural History (photos, video)," 27 Jan. 2018 His 35th homer was a towering solo blast estimated at 420 feet in the Texas eighth. USA TODAY, "Andrus has 4 RBIs, Rangers beat Tigers 12-6 for 3-game sweep," 17 Aug. 2017 Question 2, Chastain’s plan, sought voter support for a three-eighths-cent sales tax increase for 25 years to help pay the costs of a rapid rail and electric bus system from Vivion Road in the Northland to the Kansas City Zoo. Lynn Horsley, kansascity, "KC voters deal blow to streetcar expansion, reject Chastain plan," 8 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'eighth.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of eighth

1557, in the meaning defined at sense 1

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Time Traveler for eighth

The first known use of eighth was in 1557

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More Definitions for eighth



English Language Learners Definition of eighth

: number eight in a series
: one of eight equal parts of something


\ ˈātth How to pronounce eighth (audio) \

Kids Definition of eighth

 (Entry 1 of 2)

: coming right after seventh



Kids Definition of eighth (Entry 2 of 2)

1 : number eight in a series
2 : one of eight equal parts an eighth of a mile

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More from Merriam-Webster on eighth

Rhyming Dictionary: Words that rhyme with eighth

Spanish Central: Translation of eighth

Nglish: Translation of eighth for Spanish Speakers

Britannica English: Translation of eighth for Arabic Speakers

Comments on eighth

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of or relating to the heavens

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