thirty-one
Americannoun
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a cardinal number, 30 plus 1.
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a symbol for this number, as 31 or XXXI.
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a set of this many persons or things.
adjective
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.
Thirty-one states are currently considering banning surveillance pricing, with bills in New Jersey, New York and Colorado gaining significant traction in their legislatures.
From Salon • May 18, 2026
Thirty-one teams took part in the last World Cup, a three-day event in Belgium last year.
From Barron's • Jan. 28, 2026
Thirty-one years later, Mr. Threadgill remains fascinated by the promise of such combinations.
From The Wall Street Journal • Oct. 27, 2025
Thirty-one days ago, Roki Sasaki arrived at Dodger Stadium, met with president of baseball operations Andrew Friedman and general manager Brandon Gomes, and was presented a plan that required faith and trust.
From Los Angeles Times • Oct. 12, 2025
Thirty-one teams to watch and then they take us into the chutes and the dogs know it is our time.
From "Woodsong" by Gary Paulsen
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.
