fifties

fif·ty  (fft)

n.

1. The cardinal number equal to 5 × 10.

2. fifties

a. A decade or the numbers from 50 to 59: They began playing golf in their fifties. With the sunshine, the temperature reached the fifties.

b. often Fifties The decade from 50 to 59 in a century.

3. A fifty-dollar bill.

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[Middle English fifti, from Old English fftig; see penk^we in Indo-European roots.]

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fifty adj. & pron.

Thesaurus

Noun	1.	fifties - the decade from 1950 to 1959         1950s decade, decennary, decennium - a period of 10 years
	2.	fifties - the time of life between 50 and 60 mid-fifties 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