the decade from 1950 to 1959
the time of life between 50 and 60
The decade of the 1850s, 1950s, etc.
The decade of one's life from age 50 through age 59.
Plural form of fifty.
British National Corpus
Written Corpus Frequency
Rank popularity for the word 'fifties' in Written Corpus Frequency: #3259
The numerical value of fifties in Chaldean Numerology is: 3
The numerical value of fifties in Pythagorean Numerology is: 2