1. seventy-third - Noun
2. seventy-third - Adjective
seventy-third
The ordinal form of the number seventy-three, describing a person or thing in position number 73 of a sequence.
The answer appears on the seventy-third page of the book.
She finished seventy-third in the race.
seventy-third (plural seventy-thirds)
One of seventy-three equal parts of a whole.
A seventy-third of 1460 is 20.
I found myself going over a particular troublesome scene in the novel, for the one thousand and seventy-third time, in the manner of a lunatic ape in a cage at the zoo, running his fingers back and forth along the iron bars of his home. Michael Chabon
And in Spain Galba secretly musters and drills his army - Galba, the old man in his seventy-third year. Constantine P. Cavafy