eighty-first
noun1
One of eighty-one equal parts of a whole.
- An eighty-first of 1620 is 20.
eighty-first
adj1
The ordinal form of the number eighty-one, describing a person or thing in position number 81 of a sequence.
- The answer appears on the eighty-first page of the book.
- She finished eighty-first in the race.
- Synonyms
- 81st