| Answer | Crossword Clue |
|---|---|
| deafen | to make impervious to sound, as a floor |
| deafens | to make impervious to sound, as a floor |
| deaden | to make impervious to sound, as a floor |
| deadened | make (as a wall) impervious to sound |
| repellants | A substance used to treat something, esp. fabric or stone, so as to make it impervious to water |
| repellents | A substance used to treat something, esp. fabric or stone, so as to make it impervious to water |
| uncoated | (of a fabric) having a coating, as of plastic, paint, or pyroxylin, to make it impervious to moisture |
| coated | (of a fabric) having a coating, as of plastic, paint, or pyroxylin, to make it impervious to moisture |
