| unflagging(strong, healthy, well, robust) |
| unimpaired(strong, tough, fresh, well) |
| well(strong, tough, fresh, healthy) |
| whole(strong, tough, fresh, well) |
| wicked(strong, tough, healthy, well) |
| zappy(strong, tough, healthy, well) |
| zippy(strong, tough, healthy, well) |
| acclimatized(strong, healthy, well, robust) |
| blooming(strong, tough, fresh, well) |
| bright-eyed(strong, tough, fresh, well) |
| bushy-tailed(strong, tough, fresh, well) |
| chipper(strong, tough, fresh, well) |
| hale and hearty(expression, idiom, strong, healthy) |
| hardened(strong, healthy, well, robust) |
| in good condition(expression, idiom, strong, healthy) |
| in good physical shape(expression, idiom, strong, well) |
| inured(strong, healthy, well, robust) |
| lithe |
| lively(strong, tough, fresh, well) |
| nimble |