eighty-one

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English numbers (edit)
 ←  80 81 82  → 
    Cardinal: eighty-one
    Ordinal: eighty-first


Determiner[change]

Determiner
eighty-one

  1. (number) (ordinal eighty-first) Eighty-one (81) is the odd number that comes between eighty and eighty-two. It is a square number (9 multiplied by 9 equals 81).
    I have eighty-one coins in my collection.