| SOUNDINGBOARD | Recipient of experimental ideas perhaps we can hear yawning? |
| INSEMINATION | Introduction of ideas perhaps in race to secure house |
| TRAINOF | Sequence of ideas perhaps held by rail passengers? (5,2,7) |
| THOUGHT | Sequence of ideas perhaps held by rail passengers? (5,2,7) |
| AVANTGARDE | Favouring new and experimental ideas (5-5) |
| AVANT | ___-garde (new experimental ideas) |
| PILOTSCHEME | Experimental idea for learning to fly? (5,6) |
| EIGHT | Group of rowers fed, we can hear (5) |
| PIECE | Bit of tranquillity we can hear |
| CONSCIENCE | Subject of experimental work on prisoner's sense of right and wrong (10) |
| PETIOLE | Staff shielding leaders of experimental team in part of plant |
| RODE | Travelled up on motorway perhaps, we hear |
| SACHET | One may hold 19, perhaps, we hear? |
| INAUDIBLE | Like some frequencies, perhaps, we hear? On the contrary |
| BARQUE | Ship that comes from Newfoundland perhaps, we hear (6) |
| RHONE | We can hear horse in river |
| HAIL | Stones falling in well, we can hear |
| CHEQUERS | We can hear people vetting game |
| ANNOYS | Nettles making a sound we can hear |
| ACOUSTIC | A firm has us twitching -- is it good if we can hear? (8) |
