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[sev-uh n-tee] /ˈsɛv ən ti/
noun, plural seventies.
a cardinal number, 10 times 7.
a symbol for this number, as 70 or LXX.
a set of this many persons or things.
seventies, the numbers, years, degrees, or the like from 70 through 79, as in referring to numbered streets, indicating the years of a lifetime or of a century, or referring to degrees of temperature:
They live in the Seventies. His uncle is in his early seventies. It was in the seventies yesterday.
the Seventy, the body of scholars who produced the Septuagint.
amounting to 70 in number.
Origin of seventy
1150-1200; Middle English; Old English seofontig. See seven, -ty1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for seventy
Contemporary Examples
Historical Examples
  • If we fail, there must be a retreat westwards at least seventy miles.

  • I guessed that he was probably seventy, though he might as easily be much younger.

    The Bacillus of Beauty Harriet Stark
  • Our whole passage was stormy, and lasted seventy days, as near as I can recollect.

    Ned Myers James Fenimore Cooper
  • "Four francs seventy," said Temple through the shout of laughter.

  • But she would forgive him seventy times seven because he is her husband.

    Echoes of the War J. M. Barrie
British Dictionary definitions for seventy


noun (pl) -ties
the cardinal number that is the product of ten and seven See also number (sense 1)
a numeral, 70, LXX, etc, representing this number
(pl) the numbers 70–79, esp the 70th to the 79th year of a person's life or of a particular century
the amount or quantity that is seven times as big as ten
something represented by, representing, or consisting of 70 units
  1. amounting to seventy: the seventy varieties of fabric
  2. (as pronoun): to invite seventy to the wedding
Word Origin
Old English seofentig
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 seventy

Old English (hund)seofontig, from seofon (see seven) + -tig (see -ty (1)). Cf. Old Frisian soventich, Middle Dutch seventich, Old Norse sjau tiger.

Online Etymology Dictionary, © 2010 Douglas Harper
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