Definition of "ninety-first" in Anglais

adjective

1. The ordinal form of the number ninety-one, describing a person or thing in position number 91 of a sequence.

   • The answer appears on the ninety-first page of the book.
   • She finished ninety-first in the race.

noun

1. One of ninety-one equal parts of a whole.

   • A ninety-first of 1820 is 20.