\ˈsiks(t)th, ˈsiks(t)\
plural sixths\ˈsiks(ts), ˈsiks(t)ths \

Definition of sixth 

1 : one that is number six in a series — see Table of Numbers

2a : a musical interval embracing six diatonic degrees

b : a tone at this interval specifically : submediant

c : the harmonic combination of two tones a sixth apart

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Other Words from sixth

sixth adjective or adverb
sixthly \ˈsiksth-​lē, ˈsikst-​ \ adverb

Examples of sixth in a Sentence

Only about a sixth of the town voted for her.

Recent Examples on the Web

The results come after a period in which Alphabet lost more than one-sixth of its market capitalization in the span of three months. Douglas Macmillan, WSJ, "Google Parent Alphabet Delivers Surging Profit But Slowing Sales Growth," 25 Oct. 2018 The par 3 sixth, surrounded by a large pond, is the signature hole. Brent Kennedy, Howard County Times, "Worthington Manor Golf Club," 29 June 2018 When Sanchez opened the White Sox sixth with a bloop single to center, that was all for Suter, who yielded to Matt Albers. Tom Haudricourt, Milwaukee Journal Sentinel, "White Sox 6, Brewers 1: String of winning series ends at six as bats go quiet in Chicago," 3 June 2018 All of the cities in the top 10 have median home values under $200,000, meaning that all 10 came in at less than one-sixth of what the median cost to buy a home in San Francisco — $1.34 million. Justin L. Mack, Indianapolis Star, "Indianapolis, Fort Wayne named among the top five places to retire rich," 24 June 2018 Dr Bar-On’s research indicates that over the short span of human history on Earth (specifically after a large period of extinction that began 50,000 years ago) the biomass of wild mammals has decreased to a sixth of its previous value. The Economist, "A planetary census puts humans in their place," 24 May 2018 The Indians’ four-run sixth was highlighted by DH Matt Shenot’s two-run double and RBI singles from infielders Cavan Tully and Nolan Hartwell. Rick O'brien,, "Bensalem edges Council Rock North, wins first District 1 baseball crown," 31 May 2018 This trend reached its peak during the second half of the 18th and the first half of the 19th centuries, when Parliament passed some four thousand individual enclosure acts, which taken together appropriated nearly a sixth of English land. Gerard Helferich, WSJ, "‘This Land Is Our Land’ Review: Taking the Long Way Around," 25 May 2018 Adam Cimber worked a scoreless sixth, escaping after allowing a two-out double. Kevin Acee,, "Pirates take advantage of Padres' miscues to win series opener," 18 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sixth.' 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 sixth

12th century, in the meaning defined at sense 1

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Statistics for sixth

Last Updated

23 Nov 2018

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Time Traveler for sixth

The first known use of sixth was in the 12th century

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More Definitions for sixth



English Language Learners Definition of sixth

: the number six in a series

: one of six equal parts of something


\ˈsiksth \

Kids Definition of sixth

 (Entry 1 of 2)

: coming right after fifth



Kids Definition of sixth (Entry 2 of 2)

1 : number six in a series

2 : one of six equal parts

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More from Merriam-Webster on sixth

Spanish Central: Translation of sixth

Nglish: Translation of sixth for Spanish Speakers

Britannica English: Translation of sixth for Arabic Speakers Encyclopedia article about sixth

Comments on sixth

What made you want to look up sixth? Please tell us where you read or heard it (including the quote, if possible).


to make faulty or ineffective

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