| Answer | Crossword Clue |
|---|---|
| AHEM | Subtle warning sound |
| ALARM | Warning sound. |
| TOCSIN | Warning sound |
| SIREN | Warning sound. |
| HISS | Warning sound |
| ALERT | Warning sound. |
| GRR | Warning sound |
| TOOT | Warning sound |
| AHEM | Warning sound. |
| BEEP | Warning sound |
| SIREN | Warning sound |
| GROWL | Warning sound |
| ALARM | Warning sound |
| TOOT | Warning sound. |
| ALARUM | Warning sound, once |
| SIREN | Sound of warning |
| HISS | Sound of warning |
| ALERT | Sound a warning |
| KNELL | Sound as a warning. |
| ALARUM | Warning sound, old-style |
| GRRR | Warning sound from Fido |
| ALARUM | Warning sound, of old |
| RATTLER | Snake with a warning sound |
| FOGGUN | Warning sound emitter in poor weather at sea |
