'Fifties' definitions:

Definition of 'fifties'

From: WordNet
noun
The decade from 1950 to 1959 [syn: fifties, 1950s]
noun
The time of life between 50 and 60 [syn: fifties, mid- fifties]

Definition of 'Fifties'

From: GCIDE
  • Fifty \Fif"ty\, n.; pl. Fifties.
  • 1. The sum of five tens; fifty units or objects. [1913 Webster]
  • 2. A symbol representing fifty units, as 50, or l. [1913 Webster]

Definition of 'fifties'

From: GCIDE
  • fifties \fifties\ n.
  • 1. the decade from 1950 to 1959. [WordNet 1.5]
  • 2. the time of life between 50 and 60.
  • Syn: mid-fifties. [WordNet 1.5]