| hard as nails(expression, adjective, idiom, strong, hard) |
| heavy(adjective, person, body, strong, sound) |
| herculean(strong, solid, vigorous, sturdy, robust) |
| hulking(strong, solid, sturdy, robust, burly) |
| inflexible(adjective, strong, hard, tough, firm) |
| iron |
| jolly |
| kinetic(adjective, strong, moving, energetic, lively) |
| law-abiding(adjective, honest, pure, straight, real) |
| lionhearted(strong, tough, firm, bold, spirited) |
| lively(adjective, strong, moving, active, vigorous) |
| loyal(adjective, keen, enthusiastic, reliable, steadfast) |
| magnanimous(vigorous, noble, stout, courageous, heroic) |
| mainstay(support, stay, rock, fan, partisan) |
| maintainer(support, stay, rock, fan, partisan) |
| peppy(adjective, strong, tough, fit, lively) |
| powerfully built(expression, adjective, person, body, strong) |
| protagonist |
| rash |
| reckless |