I. | ̷ ̷ ̷ ̷| ̷ ̷ adjective
: being one more than 38 in number
thirty-nine years
— see number table
II. pronoun, plural in construction
: 39 countable persons or things not specified but under consideration and being enumerated
thirty-nine are here
thirty-nine were found
III. noun
1. : nine and 30 : three times 13
2.
a. : 39 units or objects
a total of thirty-nine
b. : a group or set of 39
3. : the numerable quantity symbolized by the arabic numerals 39