| potent(adjective, strong, tough, energetic) |
| strapping(adjective, strong, sound, tough, right) |
| tough(adjective, strong, solid, intense) |
| alive and kicking(expression, idiom, sound, right) |
| all right(expression, strong, tough, fresh) |
| boisterous(strong, tough, healthy, well) |
| brawny(strong, tough, healthy, well) |
| bright-eyed(strong, great, tough, right) |
| built(strong, tough, healthy, well) |
| bushy-tailed(strong, great, tough, right) |
| chipper(strong, great, tough, right) |
| concentrated(strong, tough, healthy, well) |
| firm(strong, tough, solid, fresh) |
| fit as fiddle(expression, idiom, strong, tough) |
| full-bodied(strong, tough, healthy, well) |
| full of life(expression, strong, tough, fresh) |
| healthful(strong, tough, fresh, well) |
| hefty(strong, tough, solid, healthy) |
| husky(strong, sound, tough, right) |
| in fine feather(expression, strong, tough, fresh) |