| Answer | Crossword Clue |
|---|---|
| SPRYER | More indefatigable |
| TIRELESS | Indefatigable |
| SEDULOUS | Indefatigable |
| TIRELESS | Indefatigable. |
| GOGO | Indefatigable |
| HARDY | Indefatigable |
| UNTIRING | Indefatigable |
| TIRES | Is not indefatigable |
| TIRE | Fail to be indefatigable |
| DURACELL | First battery brand to feature an indefatigable pink bunny in its ads |
