ninth

noun

ˈnīn(t)th 

plural ninths ˈnīn(t)s 

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

The swoon-worthy ballad spent four weeks atop the Billboard Hot 100 songs chart, marking Gaga’s sixth leader on the tally and Mars’ ninth. —Rania Aniftos, Billboard, 4 Feb. 2025

Four films from that year have made it into the Top 10 Most Inclusive Films for that timespan, according to the study released Wednesday, with A Thousand and One taking the No. 2 spot overall, Bottoms coming in seventh, The Color Purple ninth and The Blackening in 10th. —Dessi Gomez, Deadline, 22 Jan. 2025

As if that wasn't impressive enough, Buehler pitched on just one day of rest and closed out the World Series by recording a one-two-three ninth with a pair of strikeouts. —Thomas G. Moukawsher, Newsweek, 12 Dec. 2024

Anthony Banda pitched a 1-2-3 ninth for his first save in his second opportunity. —Jon Becker, The Mercury News, 5 Aug. 2024

Word History

First Known Use

13th century, in the meaning defined at sense 2

Phrases Containing ninth

• ninth cranial nerve

Kids Definition

ninth

noun

ˈnīn(t)th 

plural ninths

: one that is number nine in a series see number

ninth adjective or adverb