ninth

[nahynth]

adjective

1. next after the eighth; being the ordinal number for nine.

2. being one of nine equal parts.

noun

1. a ninth part, especially of one (1/9).

2. the ninth member of a series.

3. Music.

   1. a tone distant from another tone by an interval of an octave and a second.

   2. the interval between such tones.

   3. harmonic combination of such tones.

adverb

1. in the ninth place.

ninth

/ naɪnθ /

adjective

1. (usually prenominal)

   1. coming after the eighth in counting order, position, time, etc; being the ordinal number of nine. Often written: 9th

   2. ( as noun )

      he came on the ninth

      ninth in line

noun

1. 1. one of nine equal or nearly equal parts of an object, quantity, measurement, etc

   2. ( as modifier )

      a ninth part

2. the fraction equal to one divided by nine ( 1/ 9 )

3. music

   1. an interval of one octave plus a second

   2. one of two notes constituting such an interval

   3. See ninth chord

adverb

1. Also: ninthly. after the eighth person, position, event, etc

1. Also: ninthly. as the ninth point: linking what follows to the previous statement

Other Word Forms

• ninthly adverb

Word History and Origins

Origin of ninth¹

before 900; Middle English ninthe ( nine, -th ² ), replacing Middle English niend ( Old English nigend ), neogethe, nigethe ( Old English nigotha ); akin to Old Saxon nigutho, Old Norse nīundi, Gothic niunda

Word History and Origins

Origin of ninth¹

Old English nigotha; related to Old High German niunto, Old Norse nīundi

Example Sentences

But just this week and next, “Chicago Med” is reaching its 200th episode; “9-1-1” is beginning its ninth season.

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The weekly jobless claims report won’t resume until the government shutdown, which is on its ninth day, ends.

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But the biggest recasting of all might be what is happening in the ninth inning.

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Two other Ivy League schools—Columbia University and the University of Pennsylvania—come in at eighth and ninth, respectively.

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The conviction is the ninth in the ICC’s 23-year history for the core violations it prosecutes: war crimes and crimes against humanity.

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