| SUPERSONIC | Causing a boom, maybe |
| BUST | A sculpted portrait, often set on a pedestal in a grand room; the economic antithesis of a boom; a blackjack loser's fate; or, a police raid involving a smash of a door or gate (4) |
| SNOWBALL | A cocktail of advocaat and lemonade; a frozen mass pelted in a game; a coconut- or ice cream-covered pudding resembling said missile; or, a boom or escalation (8) |
| BOUNCE | Imitative word for a heavy blow or thump originally, later a jump, leap or spring; the recoil of an object, such as a ball; bluster, confidence or swagger; a boom; a lie; vitality or zip; or, body and |
| PEAL | Whether a ring of a bell, a knell, an outburst of laughter or a boom of thunder, as if from hell, it is a loud noise that derives from "address, call upon, entreat, summons, yell" (4) |
| SPAR | A cleavable crystal such as calcite; a boxer's practice fight; an informal word for a close friend; or, a boom, mast, yard or other nautical pole (4) |
| SPARROW | A bird to make a boom noise! (7) |
| GTOWN | Result of a boom and bust, maybe |
| BASILBRUSH | Character with a "Boom! Boom!" catchphrase * (10) |
| SARDONIC | Mocking such a boom, in a way? The opposite |
| NECK | Forward upper end of a sail that sets with a boom (4) |
| NOCK | Forward upper end of a sail that sets with a boom (4) |
| BAMBOO | To a degree creating a boom in certain furniture (6) |
| CRANE | Apparatus in which a movie camera is mounted on the end of a boom (5) |
| LUGSAIL | What is the quadrilateral sail that lacks a boom. is bent on a yard and crosses the mast obliquely? (7) |
| PAIN | A boom can cause it |
| YELL | Compete with a boom box |
| MAINSAIL | It's above a boom |
| SST | Past cause of a boom |
| SONIC | Describing a boom in travel |
