| enduring(adjective, calm, strong, sound, secure) |
| lasting(adjective, strain, firmness, labour, hardiness) |
| steadfast(adjective, calm, strong, tough, strain) |
| strapping(adjective, person, body, strong, great) |
| portly(adjective, strong, solid, big, heavy) |
| fleshy(adjective, solid, big, heavy, awkward) |
| heavy(adjective, person, body, strong, sound) |
| resilient(adjective, strain, firmness, labour, hardiness) |
| brawny(adjective, person, body, strong, tough) |
| permanent(adjective, strain, firmness, labour, hardiness) |
| powerful(adjective, person, body, strong, great) |
| unyielding(adjective, strong, sound, tough, strain) |
| abundant(adjective, strain, firmness, labour, hardiness) |
| burly(adjective, strong, tough, fit, solid) |
| constant(adjective, calm, strong, secure, tough) |
| invariable(adjective, strain, firmness, labour, hardiness) |
| muscular(adjective, person, body, strong, great) |
| obese(adjective, solid, big, heavy, awkward) |
| refractory(adjective, strain, firmness, labour, hardiness) |
| resistant(adjective, strain, firmness, labour, hardiness) |