forty
The cardinal number occurring after thirty-nine and before forty-one, represented in Roman numerals as XL and in Arabic numerals as 40.
Example sentences
Word history
From Old English "fēowertiġ".
Where this comes from
This definition is adapted from “forty” 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.