fifty-second /ˌfɪfti ˈsɛkənd/adjective 2noun 1forms 1 adjective2 •The ordinal form of the number fifty-two, describing a person or thing in position number 52 of a sequence.The answer appears on the fifty-second page of the book.She finished fifty-second in the race. •Lasting fifty seconds. noun1 •One of fifty-two equal parts of a whole.A fifty-second of 1040 is 20. formsfifty-seconds