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
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.
Closer Pete Fairbanks posted his 12th save with a perfect ninth. Miami Herald, 6 June 2025 Justin Wilson recorded two quick outs to finish the seventh, Garrett Whitlock worked around a pair of singles to post a scoreless eighth, and Aroldis Chapman locked down his 17th save of the season with a perfect ninth. Mac Cerullo, Hartford Courant, 13 July 2025 Estrada stranded a man at third base in the eighth, and Suarez worked a 1-2-3 ninth for his major league-leading 27th save. Kevin Acee, San Diego Union-Tribune, 11 July 2025 Suarez singled in a run and another scored on a wild pitch when the D-backs closed to 6-4 in the eighth, but Ronny Henriquez pitched a 1-2-3 ninth for his third save in five chances. Miami Herald, 30 June 2025 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 6 Aug. 2025.

Kids Definition

ninth

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

More from Merriam-Webster on ninth

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