| booming(strong, great, tough, big) |
| built(strong, tough, big, awkward) |
| firm(adjective, strong, hard, sound, tough) |
| fit as fiddle(expression, idiom, strong, tough) |
| flourishing(strong, tough, solid, healthy) |
| full-bodied(strong, tough, healthy, well) |
| in fine fettle(expression, idiom, strong, tough) |
| in good health(expression, idiom, strong, tough) |
| in good shape(expression, idiom, strong, tough) |
| in the pink(expression, strong, tough, healthy) |
| live(strong, tough, healthy, well) |
| peppy(strong, tough, healthy, well) |
| powerhouse(strong, tough, vigorous, healthy) |
| prospering(strong, tough, healthy, well) |
| prosperous(strong, tough, healthy, well) |
| roaring(strong, tough, healthy, well) |
| robustuous(strong, tough, healthy, well) |
| snappy(strong, tough, healthy, well) |
| staunch(adjective, strong, solid, determined) |
| tenacious(adjective, strong, solid, determined) |