Preceded by seventy-nine others in a series; 80th.
Designating any of the eighty equal parts of something.
In the eightieth place, rank, group, etc.
The one following the seventy-ninth.
Any one of the eighty equal parts of something;180
The ordinal number matching the number 80 in a series.
One of 80 equal parts.
The person or thing in the eightieth position.
One of eighty equal parts of a whole.
Origin of eightieth
eighty + -eth