sixty-first adjective 1noun 1forms 1 adjective1 •The ordinal form of the number sixty-one, describing a person or thing in position number 61 of a sequence.The answer appears on the sixty-first page of the book.She finished sixty-first in the race. noun1 •One of sixty-one equal parts of a whole.A sixty-first of 1220 is 20. formssixty-firsts
