| SIDEDISHES | Of course they're not the main components (4,6) |
| SIDESHOWS | They're not the main event |
| AMMONIA | One of the main components of Jupiter's atmosphere, this compound is a colourless, pungent gas composed of nitrogen and hydrogen (7) |
| VERMOUTH | One of the main components of a Martini cocktail (8) |
| OVERANDOVER | Repeatedly, or what can come before the main components of 17-, 30-, 39-, or 46-Across |
| ACETICACID | Main component of vinegar |
| VAGUS | From the Latin for "wandering", the body's 10th cranial nerve and the main component of the parasympathetic nervous system (5) |
| HOTPLATES | The thieves steal them for the getaway car and, of course, they're responsible for added heat (3,6) |
| IRON | Metal that is the main component of the Earth's inner core (4) |
| ACETIC | --- acid, colourless, pungent liquid, the main component of vinegar after water (6) |
| SILICA | What is the main component of glass? (6) |
| YOGHURT | The main component of tzatziki (7) |
| SUCROSE | A compound that is the main component of cane sugar (7) |
| DRIVERS | Of course they're for both golfers and motorists (7) |
| SEMESTERS | Of course they're held by universities (9) |
| LAPS | Of course, they're taken by my pals (4) |
| CUTIN | Waxy water-repellent polymer that forms the main component of plant cuticle (5) |
| SILICON | Element whose dioxide is the main component in glass (7) |
| EYESORES | No good monsters follow Erebus's lead, of course, they're ugly things (8) |
| OUTLAY | Cost of design after replacement of main components (6) |