sixty-ninth I. \| ̷ ̷ ̷ ̷| ̷ ̷\adjective 1.: being number 69 in a countable series < the sixty-ninth day > — see number table 2.: being one of 69 equal parts into which something is divisible < a sixty-ninth share of the money > II. noun 1.: number 69 in a countable series 2.: the quotient of a unit divided by 69 : one of 69 equal parts of something < one sixty-ninth of the total >