Definition from Wiktionary, the free dictionary
|< 32nd||33rd||34th >|
| Ordinal : thirty-third
Cardinal : thirty-three
- (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.
- 33rd, 33rd
thirty-third (plural thirty-thirds)