| pervious(adjective, opening, accessible, spongy, porous) |
| porous(adjective, rough, coarse, opening, grainy) |
| accessible(adjective, penetrable, absorbent) |
| penetrable |
| spongy(adjective, porous, penetrable, absorbent) |
| leaky |
| thin(adjective, clear, fine, slim, shallow) |
| non-tight(adjective, open, spoil, unsealed, nonhermetic) |
| passable(adjective, penetrable, absorbent) |
| spongelike(adjective, penetrable, absorbent) |
| absorbent(adjective, liquid) |
| leaking(adjective, open, spoil, unsealed, nonhermetic) |
| non-watertight(adjective, open, spoil, unsealed, nonhermetic) |
| non tight(adjective, open, spoil, unsealed, nonhermetic) |
| nonhermetic(adjective, open, spoil, unsealed, nontight) |
| nonhermetical(adjective, open, spoil, unsealed, nonhermetic) |
| nontight(adjective, open, spoil, unsealed, nonhermetic) |
| nonwatertight(adjective, open, spoil, unsealed, nonhermetic) |
| unpressurised(adjective, open, spoil, unsealed, nonhermetic) |
| unpressurized(adjective, open, spoil, unsealed, nonhermetic) |