| trying(adjective, dull, hard, difficult, complex) |
| arduous(adjective, dull, hard, difficult, harsh) |
| backbreaking(adjective, hard, difficult, complex) |
| lumpish(adjective, hard, difficult, complex) |
| massy(adjective, hard, difficult, complex) |
| painful(adjective, hard, difficult, complex) |
| punishing(adjective, hard, difficult, complex) |
| rough(adjective, hard, difficult, complex) |
| toilsome(adjective, hard, difficult, complex) |
| strapping(adjective, person, body, strong, tough) |
| grave(adjective, hard, difficult, complex) |
| serious(adjective, hard, difficult, complex) |
| stout(adjective, person, body, strong, tough) |
| tight(adjective, hard, difficult, complex, compact) |
| large(adjective, person, body, great, big) |
| strong(adjective, person, body, hard, tough) |
| beefy(adjective, person, body, strong, big) |
| robust(adjective, person, body, strong, big) |
| substantial(adjective, strong, hard, great, tough) |
| bulky(adjective, person, body, strong, great) |