I. | ̷ ̷ ̷ ̷| ̷ ̷ adjective
: being one more than 42 in number
forty-three years
— see number table
II. pronoun, plural in construction
: 43 countable persons or things not specified but under consideration and being enumerated
forty-three are here
forty-three were found
III. noun
1. : three and 40
2.
a. : 43 units or objects
a total of forty-three
b. : a group or set of 43
3. : the numerable quantity symbolized by the arabic numerals 43
4. : the 43d in a set or series ; especially : an article of clothing of the 43d size
wears a forty-three