I. | ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷ adjective
: being one more than 66 in number
sixty-seven years
— see number table
II. pronoun, plural in construction
: 67 countable persons or things not specified but under consideration and being enumerated
sixty-seven are here
sixty-seven were found
III. noun
1. : seven and 60
2.
a. : 67 units or objects
a total of sixty-seven
b. : a group or set of 67
3. : the numerable quantity symbolized by the arabic numerals 67
4. : the 67th in a set or series