Forties

for·ty  (fôrt)

n. pl. for·ties

1. The cardinal number equal to 4 × 10.

2. forties

a. 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.

---

[Middle English, from Old English fowertig; see k^wetwer- in Indo-European roots.]

---

forty adj. & pron.

Thesaurus

Noun	1.	forties - the time of life between 40 and 50 mid-forties time of life - a period of time during which a person is normally in a particular life state adulthood, maturity - the period of time in your life after your physical growth has stopped and you are fully developed
	2.	forties - the decade from 1940 to 1949 1940s decade, decennary, decennium - a period of 10 years