ninety-third adjective 1noun 1forms 1 adjective1 •The ordinal form of the number ninety-three, describing a person or thing in position number 93 of a sequence.The answer appears on the ninety-third page of the book.She finished ninety-third in the race. noun1 •One of ninety-three equal parts of a whole.A ninety-third of 1860 is 20. formsninety-thirds
