| 1. | not mortal; not liable or subject to death; undying: our immortal souls. |
| 2. | remembered or celebrated through all time: the immortal words of Lincoln. |
| 3. | not liable to perish or decay; imperishable; everlasting. |
| 4. | perpetual; lasting; constant: an immortal enemy. |
| 5. | of or pertaining to immortal beings or immortality. |
| 6. | (of a laboratory-cultured cell line) capable of dividing indefinitely. |
| 7. | an immortal being. |
| 8. | a person of enduring fame: Bach, Milton, El Greco, and other immortals. |
| 9. | the Immortals, the 40 members of the French Academy. |
| 10. | (often initial capital letter ) any of the gods of classical mythology. |