| hollow(adjective, deep, empty, out, concavity) |
| vast(adjective, large, hollow) |
| huge(adjective, large, hollow) |
| spacious(adjective, large, hollow, extensive, expansive) |
| wide(adjective, large, hollow) |
| voluminous(adjective, big, large, vast) |
| deep(adjective, dull, large, hollow, huge) |
| expansive(adjective, large) |
| sunken(adjective, large, hollow, convex, inward) |
| concave(adjective, large, hollow, concavity, convex) |
| yawning(adjective, deep, large, hollow, huge) |
| ample(adjective, large) |
| broad(adjective, large, hollow) |
| gaping(adjective, large, hollow, wide) |
| gargantuan(adjective, large) |
| roomy(adjective, large, hollow) |
| abyssal(adjective, wide, unfathomable) |
| capacious(adjective, large) |
| commodious(adjective, large, hollow) |
| enormous(adjective, large) |