Dictionary.com
Thesaurus.com

ninety-nine

American  
[nahyn-tee-nahyn] / ˈnaɪn tiˈnaɪn /

noun

  1. a cardinal number, 90 plus 9.

  2. a symbol for this number, as 99 or XCIX.

  3. a set of this many persons or things.

adjective

  1. amounting to 99 in number.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"A researcher might be happy if one out of a hundred devices works for their first experiment, but a manufacturer might need ninety-nine out of a hundred devices to work," Stavis noted.

From Science Daily • Mar. 26, 2024

“Four hundred and ninety-nine games later, the most important game is tonight.”

From Seattle Times • Feb. 29, 2024

Nate Silver's FiveThirtyEight estimates that Greene has a ninety-nine percent chance of winning a second term.

From Salon • Nov. 6, 2022

She says that, in recent years, artists have started demanding a share of the publishing "ninety-nine per cent of the time".

From BBC • Apr. 13, 2021

“I’ll never understand ninety-nine percent of humanity,” said Enoch, and he went away shaking his head.

From "Hollow City" by Ransom Riggs

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.