[ thur-tee-wuhn ]


  1. a cardinal number, 30 plus 1.
  2. a symbol for this number, as 31 or XXXI.
  3. a set of this many persons or things.


  1. amounting to 31 in number.
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Example Sentences

If you have a Balance Board and download the game before January 31, Wii Fit U is free for thirty-one days.

Thirty-one other states accepted the money; Louisiana was the first to turn it down.

“Thirty-one percent of all homes sold in December were on the market for less than a month,” NAR reported.

Thirty-one percent say being unemployed for more than a year.

Thirty-one percent of recruiters say that if your skills are “no longer in demand,” you may be screwed.

He and his friends obtained the lease, for thirty-one years, of a rival line, which turned out a great financial success.

Given at Madrid, December thirty-one, one thousand six hundred and twenty-two.

In it thirty-one companies and public bodies participated, most of them being represented by counsel.

This woman had the Cow Pox when she lived in the service of a Farmer in this parish thirty-one years before.

There were one hundred and thirty-one delegates present at this convention, representing sixty-six counties and corporations.





thirty-ninththirty pieces of silver