ninety-seventh /ˌnaɪnti ˈsɛvənθ/adjective 1noun 1forms 1 adjective1 •The ordinal form of the number ninety-seven, describing a person or thing in position number 97 of a sequence.The answer appears on the ninety-seventh page of the book.She finished ninety-seventh in the race. noun1 •One of ninety-seven equal parts of a whole.A ninety-seventh of 1940 is 20. formsninety-sevenths