| hardened(noun, verb, adjective, set, strong) |
| tough(noun, adjective, strong, hard, sound) |
| seasoned(adjective, set, strong, hard, tough) |
| acclimatized(adjective, strong, familiar, healthy) |
| strong(healthy, well, robust, resilient) |
| rugged(strong, healthy, well, robust) |
| stout(strong, healthy, well, robust) |
| sturdy(strong, healthy, well, robust) |
| vigorous(strong, healthy, well, robust) |
| enduring(strong, healthy, well, robust) |
| in fine fettle(expression, idiom, strong, healthy) |
| in good condition(expression, idiom, strong, healthy) |
| in good shape(expression, idiom, strong, healthy) |
| physically fit(expression, strong, healthy, well) |
| resistant(adjective, strong, hard, tough) |
| able(strong, healthy, well, robust) |
| able-bodied(strong, healthy, well, robust) |
| brawny(strong, healthy, well, robust) |
| burly(strong, healthy, well, robust) |
| capable(strong, healthy, well, robust) |