| Eternal |
| Undying |
| Immortal |
| Enduring |
| Perpetual |
| Ever-fresh |
| Immemorial |
| Without end |
| Everlasting |
| Ever-abiding |
| Not ephemeral |
| Perpetual (7) |
| Ever youthful |
| Forever young |
| Never outdated |
| Eternally young |
| Sea legs (anag) |
| Like Shangri-la |
| Lasting forever |
| Forever youthful |
| Like Dorian Gray |
| Never growing old |
| Untouched by time |
| Like some wonders |
| Eternally youthful |
| Never becoming old |
| Lasting an eternity |
| Opposite of ephemeral |
| Eternal Monophonics jam? |
| Forever young, seemingly |
| Eternal — like Peter Pan |
| Never appearing to grow old |
| Like most cartoon characters |
| Long-lasting — sea legs (anag) |
| Eternal, and a hint to this puzzle's phonetic theme |