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.
JSerra 4, Servite 2: The Lions scored two runs in the ninth to win the Trinity League game. Eric Sondheimer, Los Angeles Times, 3 Apr. 2025 Tennessee is first nationally in points off turnovers, and Ohio State ninth nationally, per CBB Analytics. Mark Schindler, The Athletic, 17 Mar. 2025 The swoon-worthy ballad is Gaga’s sixth Hot 100 leader and Mars’ ninth. Rania Aniftos, Billboard, 27 Jan. 2025 Miguel Mora had an RBI single in the ninth to break the 4-4 deadlock. Eric Sondheimer, Los Angeles Times, 21 Mar. 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

Browse Nearby Words

Cite this Entry

“Ninth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ninth. Accessed 14 Apr. 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

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!