Fifty Definition

fĭftē
fifties
noun
fifties
The cardinal number between forty-nine and fifty-one; 50; L.
Webster's New World
A decade or the numbers from 50 to 59.
They began playing golf in their fifties. With the sunshine, the temperature reached the fifties.
American Heritage
The decade from 50 to 59 in a century.
American Heritage
A fifty-dollar bill.
American Heritage
(countable) A fifty-pound note.
Wiktionary
Synonyms:
adjective
Five times ten.
Webster's New World
Synonyms:
idiom
the fifties
  • the numbers or years, as of a century, from fifty through fifty-nine
Webster's New World

Other Word Forms of Fifty

Noun

Singular:
fifty
Plural:
fifties

Idioms, Phrasal Verbs Related to Fifty

  • the fifties

Origin of Fifty

  • Middle English fifti from Old English fīftig penkwe in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Old English fīftiġ

    From Wiktionary

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