| thriving(strong, tough, healthy, well) |
| tiger(strong, tough, vigorous, healthy) |
| vital(strong, tough, healthy, well) |
| well(strong, tough, healthy, robust) |
| wicked(strong, tough, healthy, well) |
| zappy(strong, tough, healthy, well) |
| zippy(strong, tough, healthy, well) |
| able(strong, healthy, well, robust) |
| acclimatized(strong, healthy, well, robust) |
| capable(strong, healthy, well, robust) |
| enduring(strong, healthy, well, robust) |
| hale and hearty(expression, idiom, healthy, well) |
| hardened(strong, healthy, well, robust) |
| in good condition(expression, idiom, strong, healthy) |
| indefatigable(strong, healthy, well, robust) |
| inured(strong, healthy, well, robust) |
| physically fit(expression, strong, healthy, well) |
| resistant(strong, healthy, well, robust) |
| seasoned(strong, healthy, well, robust) |
| unflagging(strong, healthy, well, robust) |