| potent(adjective, strong, tough, energetic) |
| strong(adjective, strong, tough, fine) |
| vigorous(adjective, strong, sound, tough) |
| tough(adjective, strong, fresh, well) |
| lusty(adjective, strong, tough, powerful) |
| sturdy(adjective, strong, tough, fresh) |
| active(adjective, strong, tough, lively) |
| healthy(adjective, strong, condition, well) |
| hearty(adjective, strong, tough, vigorous) |
| sound(adjective, strong, tough, powerful) |
| stout(adjective, strong, tough, fresh) |
| firm(adjective, strong, tough, vigorous) |
| husky(adjective, strong, tough, fresh) |
| lively(adjective, strong, tough, active) |
| athletic(strong, smooth, tough, fine) |
| normal(strong, tough, lively, active) |
| able-bodied(strong, tough, fresh, well) |
| all right(strong, tough, lively, active) |
| blooming(strong, tough, lively, active) |
| bright-eyed(strong, tough, lively, active) |