| SEISMOLOGIST | Missile got so off course, one could sense the shock waves |
| BOOM | Sound caused by the shock waves of a supersonic aircraft; or, the cry of Britain's loudest bird, the bittern (4) |
| BLASTS | Gusts of wind; jets of air; good times; explosions or the shock waves caused; toots of car horns, trumpets, whistles etc; or, severe tellings-off (6) |
| DRIFT | Go off course one foot, being under the doctor (5) |
| STINGRAY | Fish gone off course, one no good for catching (8) |
| ASTRAY | Off course... one with lost dog or cat? (6) |
| SONIC | ___ boom, noise created by the shock wave from an object travelling faster than sound (5) |
| SONICBOOM | A loud explosive noise caused by the shock wave from an aircraft (5,4) |
| THUNDER | What sound is the shock wave produced by lightning? (7) |
| INSIDE | Selected for the team and so off the streets (6) |
| FLOUR | From a homophonic word for a bloom, in the sense "the best part", the name given to "the finest quality of ground wheat", aka milled grain, for making bread, cakes or pastry (5) |
| SAILORS | They're so off the rails and all at sea! (7) |
| LIGHTBLUE | Clue for one to be depressed, so off colour (5,4) |
| TSHIRTS | Shortlisted, so off the dole with a change of tops (1,6) |
| TROON | Town in South Ayrshire famous for its 'Royal' golf course, one of the hosts of the Open Golf Championship |
| CIRCUMSPECT | Cautious course, one I altered to head off mere guesswork (11) |
| DISH | Of course, one might contain one (4) |
| SINISTRAL | Offence is given by course one's taken on the side |
| FUSILLI | Twists on course one's following force us the wrong way |
| DIRECTION | The course one's taking - in management (9) |
