1. fifty-seventh - Noun
2. fifty-seventh - Adjective
fifty-seventh
The ordinal form of the number fifty-seven, describing a person or thing in position number 57 of a sequence.
The answer appears on the fifty-seventh page of the book.
She finished fifty-seventh in the race.
fifty-seventh (plural fifty-sevenths)
One of fifty-seven equal parts of a whole.
A fifty-seventh of 1140 is 20.