I. | ̷ ̷ ̷ ̷ ̷ ̷| ̷ ̷ adjective
: being one more than 74 in number
seventy-five years
— see number table
II. pronoun, plural in construction
: 75 countable persons or things not specified but under consideration and being enumerated
seventy-five are here
seventy-five were found
III. noun
1. : five and 70 : three times 25 : five fifteens
2.
a. : 75 units or objects
a total of seventy-five
b. : a group or set of 75
3. : the numberable quantity symbolized by the arabic numerals 75
4. : the 75th in a set or series
5. : a 75 millimeter gun ; especially : the fieldpiece of this caliber used in the armies of France and of the United States in World War I — often written 75