fifty-fifth /ˌfɪfti ˈfɪ(f)θ/adjective 1noun 1forms 1 adjective1 •The ordinal form of the number fifty-five, describing a person or thing in position number 55 of a sequence.The answer appears on the fifty-fifth page of the book.She finished fifty-fifth in the race. noun1 •One of fifty-five equal parts of a whole.A fifty-fifth of 1100 is 20. formsfifty-fifths
