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

Ryan Helsley pitched a perfect ninth for his 20th save. —Kristie Rieken, San Diego Union-Tribune, 5 June 2024

With Freeman resembling his usual self in the World Series, the Dodgers have been retired in order in just eight of their 27 innings — including four times in Game 1, when Yankees ace Gerrit Cole did it three times before closer Luke Weaver tossed a perfect ninth. —Jerry Beach, Forbes, 29 Oct. 2024

The Mets clung on in the bottom of ninth to clinch an 8-7 victory and their spot in the postseason. —David Close, CNN, 1 Oct. 2024

Lady Gaga and Grande rank ninth and eleventh in Variety’s supporting actress predictions, respectively. —Conor Murray, Forbes, 30 Sep. 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