| harsh(adjective, strong, hard, tough, severe) |
| high(adjective, strong, hard, awkward, deep) |
| inactive(adjective, dull, quiet, weak, easy) |
| intolerable(adjective, severe, difficult) |
| jejune(adjective, flat, stupid, ordinary, dry) |
| laboured |
| lugubrious(adjective, bad, sad, sorrow, depression) |
| lumpish(adjective, dull, easy, slow, heavy) |
| momentous(adjective, great, tough, severe, big) |
| pregnant(adjective, big, substantial, weight, expressive) |
| punishing |
| rich(adjective, great, substantial, abundant, extensive) |
| rugged(adjective, calm, strong, hard, sound) |
| sleepy(adjective, dull, quiet, easy, slow) |
| strenuous(adjective, dull, tough, severe, rough) |
| uninteresting(adjective, dull, flat, warm, ordinary) |
| unwieldy(adjective, awkward, large, weight, robust) |
| violent(adjective, calm, severe, rough, difficult) |
| wearisome(adjective, dull, tough, severe, difficult) |
| chunky(adjective, hard, big, short, deep) |