| athletic(adjective, person, body, strong, sound) |
| daredevil(adjective, mad, bold, naughty, impudent) |
| durable(adjective, strong, hard, sound, tough) |
| forcible(adjective, strong, sound, strength, tough) |
| gritty(adjective, strong, tough, determined, bold) |
| indefatigable(adjective, strong, tough, fit, lively) |
| potent(adjective, strong, great, sound, strength) |
| resistant(adjective, strong, tough, fit, healthy) |
| sinewy(adjective, strong, sound, tough, solid) |
| spunky(adjective, strong, informal, fear, bold) |
| active(adjective, good, clear, strong, sound) |
| burly(adjective, strong, tough) |
| enduring(adjective, strong, sound, tough, fit) |
| flush(noun, health) |
| gutty(adjective, slang, fear) |
| lively(adjective, good, clear, strong, tough) |
| male(vigorous, noble, courageous, muscular, manly) |
| puissant(adjective, strong, strength) |
| red-blooded(adjective, strong, tough, intense, energetic) |
| unafraid(adjective, strong, tough, fear, bold) |