ninety-second /ˌnaɪnti ˈsɛkənd/adjective 1noun 1forms 1 adjective1 •The ordinal form of the number ninety-two, describing a person or thing in position number 92 of a sequence.The answer appears on the ninety-second page of the book.She finished ninety-second in the race. noun1 •One of ninety-two equal parts of a whole.A ninety-second of 1840 is 20. formsninety-seconds