| BONFIRE | A large outdoor fire that is lighted as a signal or in celebration (7) |
| BONFIRES | They're lit as signals or in celebration (8) |
| OKD | Green-lighted, as a project |
| INFERNO | A large fire that is dangerously out of control (7) |
| AMUSEMENTPARK | A large outdoor area with fairground rides, shows, etc. (9,4) |
| FIERIEST | Raging fire that is, in France, most red-hot (8) |
| BON | Feature of a big outdoor party |
| DROPOUT | One who has abandoned a course, school or rejected society; a brief loss of an electronic signal; or, the recommencement of play in rugby with a ball kicked from the hand (7) |
| RETREAT | From the Latin meaning "pull back", a withdrawal of troops before enemies; a sunset bugle signal; or, a sanctuary for quiet contemplation, refuge, relaxation or solitude (7) |
| HOIST | Word for "lift", hence a group of flying colours or flags, raised as a signal; or, a crane, jack or pulley with which to heave, elevate or winch (5) |
| BEACON | A fire or light on a hill as a signal or warning (6) |
| FANTASY | 1978 single by Earth, Wind & Fire that received a Grammy Award nomination for Best R&B Song |
| POSTERS | Large outdoor placards (7) |
| CLAP | Strike the palms of one's hands together as a signal or repeatedly as applause |
| BEEP | A short high tone produced as a signal or warning (4) |
| BETOKEN | Signal or indicate |
| SENSORS | Devices to receive signals or stimuli (7) |
| SMUDGE | A sooty or inky blemish, blot, daub, smear or spot; a blur; a smoky outdoor fire to repel insects or to fumigate; or, any choking smoke (6) |
| CALL | A summons; a short social visit; a square-dance direction; or, a signal or series of notes sounded by bugle (4) |
| SENSOR | Any device that receives a signal or stimulus and responds to it in a distinctive manner (6) |
