Definition of "forty-ninth" in English

adjective

1. The ordinal form of the number forty-nine, describing a person or thing in position number 49 of a sequence.

   • The answer appears on the forty-ninth page of the book.
   • She finished forty-ninth in the race.

noun

1. One of forty-nine equal parts of a whole.

   • A forty-ninth of 980 is 20.