| Solution | Length | |
|---|---|---|
| 4 letters | ||
| snug | 4 | |
| firm | 4 | |
| fast | 4 | |
| 5 letters | ||
| parka | 5 | |
| close | 5 | |
| tight | 5 | |
| 6 letters | ||
| sealed | 6 | |
| 7 letters | ||
| compact | 7 | |
| staunch | 7 | |
| 8 letters | ||
| gasproof | 8 | |
| gastight | 8 | |
| airtight | 8 | |
| hermetic | 8 | |
| OILPROOF | 8 | |
| oiltight | 8 | |
| 9 letters | ||
| rainproof | 9 | |
| windtight | 9 | |
| DUSTPROOF | 9 | |
| raintight | 9 | |
| shut fast | 9 | |
| dusttight | 9 | |
| 10 letters | ||
| stormproof | 10 | |
| lighttight | 10 | |
| LIGHTPROOF | 10 | |
| smokeproof | 10 | |
| waterproof | 10 | |
| smoketight | 10 | |
| watertight | 10 | |
| stormtight | 10 | |
| 15 letters | ||
| water repellant | 15 | |
| 19 letters | ||
| hermetically sealed | 19 | |