| Answer | Crossword Clue |
|---|---|
| OWL | Noiseless flier |
| SILENT | Noiseless |
| STILL | Noiseless |
| GLIDER | Noiseless aircraft |
| whids | quick, noiseless movement |
| noiselessly | NOISELESS, without noise |
| whid | quick, noiseless movement |
| noiselessness | NOISELESS, without noise |
| whidded | quick, noiseless movement |
| catlike | stealthy and noiseless |
| noiselessnesses | NOISELESSNESS, NOISELESS, without noise |
| aphonics | mouthed but not spoken; noiseless; silent |
| aphonic | mouthed but not spoken; noiseless; silent |
| LIONESSES | They can be NOISELESS while stalking prey |
