| eighty | (n) the cardinal number that is the product of ten and eight, Syn. 80, fourscore, LXXX |
| eighty | (adj) being ten more than seventy, Syn. lxxx, 80, fourscore |
| eighty-eight | (adj) being eight more than eighty, Syn. lxxxviii, 88 |
| eighty-five | (adj) being five more than eighty, Syn. 85, lxxxv |
| eighty-four | (adj) being four more than eighty, Syn. lxxxiv, 84 |
| eighty-one | (adj) being one more than eighty, Syn. lxxxi, 81 |
| eighty-seven | (adj) being seven more than eighty, Syn. lxxxvii, 87 |
| eighty-six | (adj) being six more than eighty, Syn. 86, lxxxvi |
| eighty-three | (adj) being three more than eighty, Syn. 83, lxxxiii |
| eighty-two | (adj) being two more than eighty, Syn. 82, lxxxii |
| one hundred eighty | (adj) being ten more than one hundred seventy, Syn. clxxx, 180 |
| seventy-nine | (adj) being nine more than seventy, Syn. 79, ilxxx |