nine·​ty | \ ˈnīn-tē How to pronounce ninety (audio) \
plural nineties

Definition of ninety

1 : a number equal to nine times 10 — see Table of Numbers
2 nineties plural : the numbers 90 to 99 specifically : the years 90 to 99 in a lifetime or century She's in her nineties.

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Other Words from ninety

ninetieth \ ˈnīn-​tē-​əth How to pronounce ninetieth (audio) \ adjective or noun
ninety adjective
ninety pronoun, plural in construction

Examples of ninety in a Sentence

During the nineties, he was going to college and working part-time.
Recent Examples on the Web Rogers began her music agent career in APA’s concerts department in the late nineties when now president and CEO Jim Gosnell promoted her from assistant to international agent. Taylor Mims, Billboard, "APA Hires Veteran Agents Chyna Chuan-Farrell, Akiko Rogers," 22 Jan. 2020 Now following in his mentor's footsteps, Khatskevich is the current Dynamo Kiev, but his performances as a more attacking midfielder in the late nineties made him a hugely popular figure at the club., "Valeriy Lobanovskyi: The Soviet Scientist's All-Time Best XI," 17 July 2019 The Taliban’s invasion of Kabul in the late nineties turned a cosmopolitan city into a ghost town, filled with Taliban fighters, Pakistani jihadists and Al-Qaeda fighters. Amrullah Saleh, Time, "I Fought the Taliban. Now I'm Ready to Meet Them at the Ballot Box.," 28 Feb. 2020 The supporting-actor race, especially, feels like a victory lap: four actors who all won Oscars in the early nineties, plus some new guy named Brad Pitt. Michael Schulman, The New Yorker, "Oscars 2020 Spotlight: The Actors," 5 Feb. 2020 The company said its remaining ninety locations across the country will remain open. Leada Gore |, al, "Bar Louie files for bankruptcy, closes Alabama location," 27 Jan. 2020 After spending the nineties as a contract developer and IT worker for Seattle tech companies, Rae became a clinical social worker. David Kushner, Outside Online, "Can Video Games Replace the Outdoors?," 8 Oct. 2019 Abdullah also came in handy to New Delhi through the nineties, to fend off international scrutiny of the human rights situation in Kashmir. Riyaz Wani, Quartz India, "Farooq Abdullah once defended India amid global backlash on Kashmir. Now, he has to defend himself," 19 Sep. 2019 Longchamp Le Pliage Tote Bag Longchamp’s oversized tote is the OG collapsable bag—it's been around since the nineties, and it's amassed a robust worldwide following since. Megan Spurrell, Condé Nast Traveler, "7 Fold-Up Bags for Bringing All Your Souvenirs Home," 10 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ninety.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of ninety

before the 12th century, in the meaning defined at sense 1

History and Etymology for ninety

Middle English ninety, adjective, from Old English nigontig, short for hundnigontig, from hundnigontig, noun, group of 90, from hund-, literally, hundred + nigon nine + -tig group of 10; akin to Old English tīen ten

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Time Traveler for ninety

Time Traveler

The first known use of ninety was before the 12th century

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Statistics for ninety

Last Updated

20 Mar 2020

Cite this Entry

“Ninety.” Dictionary, Merriam-Webster, Accessed 7 Apr. 2020.

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More Definitions for ninety


How to pronounce ninety (audio)

English Language Learners Definition of ninety

: the number 90
: the numbers ranging from 90 to 99
: a set of years ending in digits ranging from 90 to 99


nine·​ty | \ ˈnīn-tē How to pronounce ninety (audio) \

Kids Definition of ninety

 (Entry 1 of 2)

: being nine times ten



Kids Definition of ninety (Entry 2 of 2)

: nine times ten : 90

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More from Merriam-Webster on ninety

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Britannica English: Translation of ninety for Arabic Speakers

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