fifty

[fif-tee]

noun

plural

fifties 

1. a cardinal number, ten times five.

2. a symbol for this number, as 50 or L.

3. a set of this many persons or things.

4. fifties, the numbers, years, degrees, or the like, from 50 through 59, as in referring to numbered streets, indicating the years of a lifetime or of a century, or degrees of temperature.

   She lives in the East Fifties. He's in his late fifties. It's going to be in the fifties again today.

5. Informal.,  a fifty-dollar bill.

   He had a fifty and two tens in his wallet.

adjective

1. amounting to 50 in number.

fifty

/ ˈfɪftɪ /

noun

1. the cardinal number that is the product of ten and five

2. a numeral, 50, L, etc, representing this number

3. something represented by, representing, or consisting of 50 units

determiner

1. 1. amounting to fifty

      fifty people

   2. ( as pronoun )

      fifty should be sufficient

Word History and Origins

Origin of fifty¹

before 900; Middle English; Old English fīftig. See five, -ty ¹

Word History and Origins

Origin of fifty¹

Old English fīftig

Example Sentences

Bavuma's half-century was the only fifty between the two teams on a track where bowlers dominated.

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“The arrival and disappearance of nearly fifty misplaced souls over the past decade.”

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Really expensive, like a hundred and fifty dollars.

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That condition takes place between two hundred and two hundred and fifty miles above Earth’s surface.

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The Exosuit—inspired by the space suit but with hard casing—allows divers to descend one thousand feet and to remain under the sea for up to fifty hours.

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