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ninety

[nahyn-tee] /ˈnaɪn ti/
noun, plural nineties.
1.
a cardinal number, ten times nine.
2.
a symbol for this number, as 90 or XC.
3.
a set of this many persons or things.
4.
nineties, the numbers, years, degrees, or the like, from 90 through 99, as in referring to numbered streets, indicating the years of a lifetime or of a century, or degrees of temperature:
His grandmother is in her nineties.
adjective
5.
amounting to 90 in number.
Origin
1000
before 1000; Middle English nineti, Old English nigontig. See nine, -ty1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for ninety
  • ninety percent did not wear hearing protection during ensemble performances.
  • ninety percent of all hurricane deaths result from storm surges.
  • ninety thousand people die as a consequence of the infections they pick up in the hospital.
  • ninety percent said they'd had no handouts to turn down, while a couple declined to comment.
  • We were inching along behind a slow freight for the last ninety minutes of the return trip.
  • ninety percent of the northern snakehead's diet consists of other fish.
  • ninety percent of the time, this puts the joint back in its normal position.
  • ninety years later, many of the original trees are still flourishing-and giving pleasure to thousands of visitors.
  • ninety percent of that power would come from wind and solar energy.
  • ninety percent of the world's oceans remain unexplored.
British Dictionary definitions for ninety

ninety

/ˈnaɪntɪ/
noun (pl) -ties
1.
the cardinal number that is the product of ten and nine See also number (sense 1)
2.
a numeral, 90, XC, etc, representing this number
3.
something represented by, representing, or consisting of 90 units
determiner
4.
  1. amounting to ninety ninety times out of a hundred
  2. (as pronoun) at least ninety are thought to be missing
Word Origin
Old English nigontig
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for ninety
n.

Old English nigontig, from nine + -tig "group of ten" (see -ty (1)). Cognate with Old Frisian niontich, Middle Dutch negentich, Dutch negentig, German neunzig.

Online Etymology Dictionary, © 2010 Douglas Harper
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9
10
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