fifty-fourth UK /ˌfɪfti ˈfɔːθ/US /ˌfɪfti ˈfɔɹθ/adjective 1noun 1forms 1 adjective1 •The ordinal form of the number fifty-four, describing a person or thing in position number 54 of a sequence.The answer appears on the fifty-fourth page of the book.She finished fifty-fourth in the race. noun1 •One of fifty-four equal parts of a whole.A fifty-fourth of 1080 is 20. formsfifty-fourths
