| cumbersome(adjective, easy, pain, heavy) |
| burdensome(adjective, pain, heavy, awkward) |
| heavy(adjective, easy, heavy, awkward) |
| ponderous(adjective, easy, heavy, awkward) |
| massive(adjective, heavy, awkward, substantial) |
| weighty(adjective, heavy, awkward, substantial) |
| bulky(adjective, heavy, awkward, substantial) |
| hefty(adjective, heavy, awkward, substantial) |
| considerable(heavy, awkward, substantial, large) |
| fat(heavy, awkward, substantial, large) |
| fleshy(heavy, awkward, substantial, large) |
| heavyweight(adjective, heavy, substantial) |
| stout(heavy, awkward, substantial, large) |
| substantial(heavy, awkward, large, weighty) |
| big deal(expression, heavy, substantial) |
| consequential(heavy, substantial) |
| critical(heavy, substantial) |
| crucial(heavy, substantial) |
| dense(heavy, substantial) |
| earnest(heavy, substantial) |