English

Numeral

thirty-third

1. (ordinal) The ordinal form of the number thirty-three, describing a person or thing in position number 33 of a sequence.

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

   She finished thirty-third in the race.

Usage notes

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

Abbreviations

• 33rd, 33^rd

Noun

thirty-third ‎(plural thirty-thirds)

1. (fractional) One of thirty-three equal parts of a whole.

   A thirty-third of 660 is 20.