ninety

[ nahyn-tee ]
/ ˈnaɪn ti /

noun, plural nine·ties.

a cardinal number, ten times nine.
a symbol for this number, as 90 or XC.
a set of this many persons or things.
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

amounting to 90 in number.

Origin of ninety

before 1000; Middle English nineti, Old English nigontig. See nine, -ty1

Words nearby ninety

nineteenth amendment, nineteenth hole, nineteenth man, ninetieth, ninette, ninety, ninety-day wonder, ninety-eight, ninety-eighth, ninety-fifth, ninety-first

Example sentences from the Web for ninety

British Dictionary definitions for ninety

ninety
/ (ˈnaɪntɪ) /

noun plural -ties

the cardinal number that is the product of ten and nine See also number (def. 1)
a numeral, 90, XC, etc, representing this number
something represented by, representing, or consisting of 90 units

determiner

  1. amounting to ninetyninety times out of a hundred
  2. (as pronoun)at least ninety are thought to be missing

Word Origin for ninety

Old English nigontig