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1

thirty-one

adjective

Definition of thirty-one

: being one more than 30 in number
  • thirty-one years
— see Table of Numbers

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2

thirty-one

pronoun, plural in construction \ " \

Definition of thirty-one

: 31 countable persons or things not specified but under consideration and being enumerated
  • thirty-one are here
  • thirty-one were found
3

thirty-one

noun \ " \

Definition of thirty-one

1 : one and 30
2 a : 31 units or objects
  • a total of thirty-one
b : a group or set of 31
3 : the numerable quantity symbolized by the arabic numerals 31
4
[translation of French trente et un]
: any of various games played with cards, dice, or numbers in which the winner is the player whose score equals or most nearly approaches 31

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