forty-third

forty-third

1. The ordinal form of the number forty-three, describing a person or thing in position number 43 of a sequence.

   The answer appears on the forty-third page of the book.

   She finished forty-third in the race.

English ordinal numbers may function as either an adjective or as a noun, and almost never appear in the plural.

• 43rd, 43^rd

forty-third (plural forty-thirds)

1. One of forty-three equal parts of a whole.

   A forty-third of 860 is 20.