| Answer | Crossword Clue |
|---|---|
| IDOS | Once-in-a-lifetime exchange, maybe |
| FREAKISH | Once-in-a-lifetime |
| RARE | Once-in-a-lifetime |
| HAJ | Once-in-a-lifetime trip |
| HAJI | Once-in-a-lifetime traveler |
| BIRTHS | Once-in-a-lifetime events |
| HAJ | Once-in-a-lifetime pilgrimage |
| HART | "Once in a Lifetime" author |
| MYHARTBELONGSTODADDY | Theme from "Once in a Lifetime"? |
| HADJ | Once in a lifetime experience, for many |
| HAJ | Once-in-a-lifetime trip, for some |
| DIE | Do this only once in a lifetime |
| iteroparous | reproducing more than once in a lifetime |
| HAJJI | One with a once-in-a-lifetime experience? |
| RETICENTHEADS | "Once in a Lifetime" band, on the flip side |
| semelparous | reproducing or breeding only once in a lifetime, like salmon |
