| Answer | Crossword Clue |
|---|---|
| ONAIR | Sign warning people to be quiet |
| ONAIR | Sign either to talk or to be quiet |
| portending | Be a sign or warning that (something, esp. something momentous or calamitous) is likely to happen |
| portended | Be a sign or warning that (something, esp. something momentous or calamitous) is likely to happen |
| presaging | (of an event) Be a sign or warning that (something, typically something bad) will happen |
