Meaning of sixty

six•ty

Pronunciation: (siks'tē), [key]
— n., pl. adj. -ties,
—n.
  1. a cardinal number, ten times six.
  2. a symbol for this number, as 60 or LX.
  3. a set of this many persons or things.
  4. the numbers, years, degrees, or the like, from 60 through 69, as in referring to numbered streets, indicating the years of a lifetime or of a century, or noting degrees of temperature: Her grandfather is in his late sixties. The temperature is in the low sixties.
  5. with great speed, ease, energy, or zest: Everyone was working like sixty to finish up before the holidays.
—adj.
  1. amounting to 60 in number.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: