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forty
(fôrt′ē)
adjective
four times ten
Origin: ME fourti < OE feowertig, akin to Ger vierzig, Goth fidwor tigjus: see four & -ty
noun pl. forties
the cardinal number between thirty-nine and forty-one; 40; XL
See forty in American Heritage Dictionary 4
noun pl. for·ties
- The cardinal number equal to 4 × 10.
- fortiesa. A decade or the numbers from 40 to 49: They stopped smoking in their forties. At night the temperature fell into the forties.b. often Forties The decade from 40 to 49 in a century.
Origin:
Origin: Middle English
Origin: , from Old English fēowertig; see kwetwer- in Indo-European roots
.Related Forms:
- forˈty adjective & pron.
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