Akademik

forties
noun
1. the time of life between 40 and 50 (Freq. 1)
Syn: ↑mid-forties
Hypernyms: ↑time of life
Part Holonyms: ↑adulthood, ↑maturity
2. the decade from 1940 to 1949
Syn: ↑1940s
Hypernyms: ↑decade, ↑decennary, ↑decennium

Useful english dictionary. 2012.