plural nineties
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.
Examples of ninety in a Sentence
During the nineties, he was going to college and working part-time.
Recent Examples on the Web
In the late eighteen-nineties, when the New Croton Aqueduct was just beginning to pipe water into the Bronx from Westchester, James Reuel Smith, a wealthy classicist with a passion for cataloguing, used a bicycle to survey the springs and wells of Manhattan and the Bronx.
—
Robert Sullivan, New Yorker, 15 Sep. 2025
The Tommy Jeans division of Tommy Hilfiger was created under Andy’s direction and helped skyrocket the brand to becoming a staple in music videos and album covers, as well as cementing itself as a streetwear powerhouse during the golden age of hip-hop in the late nineties.
—Doug Melville, Forbes.com, 10 Sep. 2025
His latest fundraising effort was a race called the Scout Mountain 100 this past June that has over 20,000 feet of vertical elevation gain Temperatures were in the nineties during his run of the 67 racers at the start.
—Outside Online, 3 Sep. 2025
The Buttholes began the nineties by accomplishing the unlikely, then the unthinkable.
—Pat Blashill, Rolling Stone, 28 Aug. 2025
See All Example Sentences for ninety
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Robert Sullivan, New Yorker, 15 Sep. 2025
The Tommy Jeans division of Tommy Hilfiger was created under Andy’s direction and helped skyrocket the brand to becoming a staple in music videos and album covers, as well as cementing itself as a streetwear powerhouse during the golden age of hip-hop in the late nineties.
—Doug Melville, Forbes.com, 10 Sep. 2025
His latest fundraising effort was a race called the Scout Mountain 100 this past June that has over 20,000 feet of vertical elevation gain Temperatures were in the nineties during his run of the 67 racers at the start.
—Outside Online, 3 Sep. 2025
The Buttholes began the nineties by accomplishing the unlikely, then the unthinkable.
—Pat Blashill, Rolling Stone, 28 Aug. 2025
See All Example Sentences for ninety
Cite this Entry
“Ninety.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ninety. Accessed 18 Sep. 2025.
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