adj

ninth

nynth

adj

Coming after eight others in a sequence; 9th.

"This is the ninth time he has asked the same question."

noun

One of nine equal parts of something.

"Each runner covered a ninth of the total relay distance."

(music) The interval spanning nine notes of the scale, one octave plus a step.

"The chord resolves with a haunting major ninth."

How to Use Ninth

Learner’s notes

In plain EnglishOrdinal form of nine — 9th in order, or a ninth part, or a musical interval.

ninthed past tense, ninths plural, ninths singular

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From Old English niġoþa, from nine + the ordinal ending -th.

month tenth synth seventh Corinth eleventh hyacinth fifteenth labyrinth sixteenth millionth thirteenth