The meaning of NINTH is one that is number nine in a series. How to use ninth in a sentence.

“Ninth” is the correct spelling for the ordinal number 9th. If you ever need to write this number as a word, this is the form you should use. “Ninth” can also indicate something or someone that is the position 9 …

NINTH meaning: 1. 9th written as a word: 2. one of nine equal parts of something: 3. the distance between two…. Learn more.

Jan 20, 2026 · Noun ninth (plural ninths) The person or thing in the ninth position. One of nine equal parts of a whole.

Ninth is the only correct spelling of the ordinal number 9 th. On the other hand, why is the number 90 th spelled as ninetieth? In the case of the cardinal number nine, the final –e is silent. However, ninety …

a. coming after the eighth in counting order, position, time, etc; being the ordinal number of nine. Often written: 9th b. (as noun): he came on the ninth; ninth in line.

Mar 6, 2026 · The correct form is ninth. In English, when forming ordinals from cardinal numbers, the rule is generally to add -th to the end of the word. However, for numbers ending in -nine, the e is …

There are nine meanings listed in OED's entry for the word ninth, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

from The Century Dictionary. Next in order or rank after the eighth, or before the tenth: an ordinal numeral: as, the ninth row; the ninth regiment. Being one of nine: as, a ninth part. noun A ninth …

Definitions of ninth noun position nine in a countable series of things “going into the ninth they were a run ahead” see more noun one part in nine equal parts