| AMMO | Shells, or first half of a very old shell (4) |
| TRILEMMA | What's half of a very large number? (Novel conundrum) (8) |
| ARM | Half of a very high price? |
| DUDS | Word for clothes that has become a slang word for defective things or fizzles such as misfiring shells or dishonoured cheques (4) |
| TEST | Cupel in which to refine gold or silver; a sea urchin's shell; or, a trial (4) |
| ESSO | Old Shell rival |
| FLIM | First half of a con game? |
| YEAS | First half of a Senate vote |
| PAGO | First half of a Samoan city |
| AYES | First half of a Senate vote |
| ACTI | First half of a Broadway show, often |
| ATOM | First half of a two-volume encyclopedia on physics, aptly? |
| SAND | Grains of quartz, topaz, garnet, tourmaline, shell or coral collectively from which glass, pearls, stucco or Portland cement can derive (4) |
| CONE | Wafer shell, or plastic bollard (4) |
| CRAB | Soft shell or blue |
| TACO | Word before shell or Bell |
| CLAM | "Shell" or "chowder" start |
| HINGE | A cardinal direction - north, south, east or west; a device upon which a door or gate swings; the joint of a bivalve mollusc's shell; or, a philatelic mount for a postage stamp (5) |
| YELLOWPAGES | Contents of a very old book - or a phone directory (6,5) |
| AVOIDS | Steers clear of a very old half-conceived idea ending in chaos (6) |