English

Numeral

fifty-first

1. (ordinal) The ordinal form of the number fifty-one, describing a person or thing in position number 51 of a sequence.

   The answer appears on the fifty-first page of the book.

   She finished fifty-first in the race.

Usage notes

English ordinal numbers may function as either an adjective or as a noun, and almost never appear in the plural.

Abbreviations

• 51st, 51^st

Translations

Noun

fifty-first ‎(plural fifty-firsts)

1. (fractional) One of fifty-one equal parts of a whole.

   A fifty-first of 1020 is 20.