| SIREN | This is a warning |
| FIREINTHEHOLE | Mobile free hotline: "Hi, this is a warning" (4,2,3,4) |
| AMBER | A doctor's hesitation is a warning sign |
| OBADIAH | A minor prophet of the Old Testament whose book is a warning to the people of Edom (7) |
| WATCHFOR | A timepiece for the kids? It is a warning sign! (5,3,8) & 23ac |
| CHILDREN | A timepiece for the kids? It is a warning sign! (5,3,8) |
| THREAT | In that, again, it is a warning |
| LIGHTHOUSE | Undemanding theatre is a warning in the main |
| LIGHTSHIP | Unladen vessel is a warning to others (9) |
| NOTICE | What is a warning in advance? (6) |
| IDES | Nasty side to the Romans is a warning (4) |
| RUMBLE | and 11: Grasps experience with drug is a warning to slow down (6,5) |
| BOREDOM | Lack of interest is a warning sign in prosperous period |
| BLEEP | First banana skin turning up is a warning signal |
| LIGHTHOUSEKEEPER | Chance on Mrs Danvers, for one, whose solitary life is a warning to others |
| BEACON | To adopt right-wing views is a warning signal |
| FORECAST | Prediction is a warning, of course, to players (8) |
| YELLOWFLAG | Colour of banana, next to sink, is a warning sign |
| FORESHADOW | With the sun behind you it is a warning (10) |
| REDFLAG | Official delay involving Democrat is a warning sign (3,4) |
