| leaden(adjective, hard, difficult, slow, complex) |
| sluggish(adjective, dull, hard, difficult, slow) |
| ponderous(adjective, hard, easy, difficult, heavy) |
| languorous(adjective, hard, difficult, slow, complex) |
| massive(adjective, hard, difficult, complex, gravity) |
| burdensome(adjective, hard, difficult, complex, gravity) |
| lumpy(adjective, hard, easy, difficult, heavy) |
| rugged(adjective, hard, difficult, complex, ugliness) |
| heavy-handed(adjective, hard, difficult, complex) |
| knotty(adjective, hard, difficult, complex, density) |
| cowish(adjective, hard, difficult, complex) |
| hard(adjective, difficult, complex, density) |
| hefty(adjective, hard, difficult, complex) |
| knotted(adjective, hard, difficult, complex, density) |
| massy(adjective, hard, difficult, complex) |
| oppressive(adjective, hard, difficult, complex) |
| rough(adjective, hard, difficult, complex, ugliness) |
| weighty(adjective, hard, difficult, complex, gravity) |
| awkward(adjective, ability, heavy, stupid, awkward) |
| half-assed |