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[siks-tee] /ˈsɪks ti/
noun, plural sixties.
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.
amounting to 60 in number.
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 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for sixty
Contemporary Examples
Historical Examples
  • We found that sixty or sixty-five had perished during the night.

    Perils and Captivity Charlotte-Adlade [ne Picard] Dard
  • But a soldier must be clad even to sixty rounds of ball cartridge.

    The Creed of the Old South 1865-1915 Basil L. Gildersleeve
  • I've lived here for sixty years and I've never been on the pond yet.

    Anne Of Avonlea Lucy Maud Montgomery
  • "Getting on for a hundred and sixty," said Mr Parmenter, taking out his watch.

    The World Peril of 1910 George Griffith
  • Mr. Skinner is not going to fail for want of sixty dollars, is he?

    Kilo Ellis Parker Butler
British Dictionary definitions for sixty


noun (pl) -ties
the cardinal number that is the product of ten and six See also number (sense 1)
a numeral, 60, LX, etc, representing sixty
something represented by, representing, or consisting of 60 units
  1. amounting to sixty: sixty soldiers
  2. (as pronoun): sixty are dead
Word Origin
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
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Word Origin and History for sixty

Old English sixtig, from siex (see six) + -tig (see -ty (1)). Cf. Old Norse sextugr, sextögr, sextigir, Old Frisian sextich, Middle Dutch sestig, Dutch zestig, Old High German sehszug, German sechzig. Phrase sixty-four dollar question is 1942, from radio quiz show where that was the top prize.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for sixty



  1. Three performances a day for two days: Fridays and Saturdays he has three [shows], the two days' stint known as a six-pack (1970s+ Circus)
  2. A set of six photographs from which a witness is asked to identify a suspect (1990s+ Police)
  3. Any set of six (1970s+)


: elevates in a spray of sand, and ''sixpacks'' her opponents, spiking the ball so savagely that it knocks the defender down (1990s+ Beach volleyball)

Related Terms

joe six-pack

[fr a set of cans or bottles of beverage, most notably of beer, sold as a unit; the term is found by 1952]

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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