| powerful(adjective, strong, sound, tough, solid) |
| puissant(adjective, strong) |
| resistant(adjective, strong, hard, solid, stiff) |
| robust(adjective, strong, hard, sound, tough) |
| rocky(adjective, set, strong, hard, compact) |
| solid(adjective, set, strong, hard, sound) |
| steely(adjective, strong, hard, tough, stiff) |
| stony(adjective, set, strong, hard, indifferent) |
| stout(adjective, strong, hard, sound, tough) |
| strapping(adjective, strong, hard, sound, tough) |
| strong-willed(adjective, serious, resolute, persistent, driven) |
| sturdy(adjective, strong, hard, sound, tough) |
| vigorous(adjective, strong, hard, sound, tough) |
| able(adjective, strong, sound, tough, solid) |
| able-bodied(adjective, strong, sound, tough, solid) |
| active(adjective, strong, sound, tough, solid) |
| aloof(adjective, hard, tough, firm, indifferent) |
| assured(adjective, calm, cool, steady, tranquil) |
| athletic(adjective, strong, sound, tough, solid) |
| beefy |