sixty

[ siks-tee ]
/ ˈsɪks ti /

noun, plural six·ties.

a cardinal number, ten times six.
a symbol for this number, as 60 or LX.
a set of this many persons or things.
sixties, 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.

adjective

amounting to 60 in number.

Idioms

    like sixty, Informal. with great speed, ease, energy, or zest: Everyone was working like sixty to finish up before the holidays.

Origin of sixty

before 900; Middle English (adj. and noun), Old English sixtig (adj.); cognate with Dutch zestig, German sechzig, Old Norse sextigir. See six, -ty1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sixty

British Dictionary definitions for sixty

sixty

/ (ˈsɪkstɪ) /

noun plural -ties

the cardinal number that is the product of ten and sixSee also number (def. 1)
a numeral, 60, LX, etc, representing sixty
something represented by, representing, or consisting of 60 units

determiner

  1. amounting to sixtysixty soldiers
  2. (as pronoun)sixty are dead

Word Origin for sixty

Old English sixtig
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012