plural ninths ˈnīn(t)s How to pronounce ninth (audio)
ˈnīn(t)ths
1
: one that is number nine in a series
They're leaving on the ninth.
The batter hit a home run in the bottom of the ninth.
see Table of Numbers
2
: one of nine equal parts of something
She owned a ninth of the company.
3
a
: a musical interval embracing an octave and a second
b
: the tone at this interval
c
: a chord containing a ninth
ninth adjective or adverb
the ninth day of the month
the book's ninth edition
He finished ninth in the race.

Examples of ninth in a Sentence

Recent Examples on the Web
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Braves closer Raisel Iglesias stranded two runners in a 20-pitch ninth that extended his scoreless streak to 13 2/3 innings this season and 26 1/3 dating back to last season. ABC News, 15 May 2026 Justin Slaten came on for Gray and tossed a scoreless seventh, Garrett Whitlock had a perfect eighth and Aroldis Chapman survived a stressful ninth for his ninth save of the season. Mac Cerullo, Boston Herald, 14 May 2026 Kenley Jansen struck out two in a perfect ninth for his 483rd career save and seventh this season. CBS News, 10 May 2026 In the Washington ninth, Drew Millas singled home Jose Tena, who had doubled off Michael Petersen. Miami Herald, 10 May 2026 See All Example Sentences for ninth

Word History

First Known Use

13th century, in the meaning defined at sense 2

Time Traveler
The first known use of ninth was in the 13th century

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Cite this Entry

“Ninth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ninth. Accessed 21 May. 2026.

Kids Definition

ninth

noun
plural ninths
: one that is number nine in a series see number
ninth adjective or adverb

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