Table of Contents
Antonyms
Synonyms
Etymology
1. eightieth
adjective. ['ˈeɪtiːɪθ'] the ordinal number of eighty in counting order.
Synonyms
Etymology
- eightieth (English)
- -eth (English)
- eighty (English)
2. hundred-and-eightieth
adjective. the ordinal number of one hundred eighty in counting order.