1. fifty-eighth - Noun
2. fifty-eighth - Adjective
fifty-eighth
The ordinal form of the number fifty-eight, describing a person or thing in position number 58 of a sequence.
The answer appears on the fifty-eighth page of the book.
She finished fifty-eighth in the race.
fifty-eighth (plural fifty-eighths)
One of fifty-eight equal parts of a whole.
A fifty-eighth of 1160 is 20.