ninety Hear it!

ninety definition

ninety (nīn′tē)

adjective

nine times ten

Etymology: ME nigenty < OE nigontig: see nine & -ty

noun pl. nineties -·ties

the cardinal number between eighty-nine and ninety-one; 90; XC (or LXXXX)
ninety Idioms

the nineties

the numbers or years, as of a century, from ninety through ninety-nine

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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