| Rating | Solver | Clue |
|---|---|---|
| INDICATOR | Signal | |
| RED LIGHT | Stop signal | |
| WAVE | Signal (goodbye) | |
| SOREPOINT | Warning signal | |
| FLARE | Distress signal | |
| REVEILLE | Military waking-signal | |
| RED | Stop signal | |
| REDFLAG | Danger signal | |
| REDRAG | Warning signal | |
| CASUSBELLI | Warning signal | |
| ALARMBELL | Waming signal | |
| BEACON | Signal flare | |
| FUSEE | Signal flare | |
| NOISE | Signal interference | |
| REDLIGHT | Stop signal | |
| INDICATE | Signal (turn) | |
| GREENLIGHT | Traffic signal | |
| SOS | Mayday signal | |
| TROOP | Mayday signal | |
| BEEP | Light signal | |
| WHISTLE | Referee’s signal | |
| VIBES | Mood signal | |
| NOD | Signal agreement | |
| CUE | Actor's signal | |
| TOCSIN | Warning signal | |