ninety
The cardinal number occurring after eighty-nine and before ninety-one, represented in Roman numerals as XC and in Arabic numerals as 90.
Example sentences
Word history
From Old English "hundniġontiġ".
Where this comes from
This definition is adapted from “ninety” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.