fifty-sixth /ˌfɪfti ˈsɪk(s)θ/adjective 1noun 1forms 1 adjective1 •The ordinal form of the number fifty-six, describing a person or thing in position number 56 of a sequence.The answer appears on the fifty-sixth page of the book.She finished fifty-sixth in the race. noun1 •One of fifty-six equal parts of a whole.A fifty-sixth of 1120 is 20. formsfifty-sixths