| INTERCHANGEABLE | Old test is fickle and subject to replacement with something else (15) |
| DUES | OCR error, when reading 'clues', leading to replacement with "out-standings" (4) |
| ASSISTANCE | Backing is fickle, as is posture (10) |
| WEATHERCOCK | Person who is fickle or changeable; vane |
| TRUELOVE | Darling! The Louvre is fickle, not the heart. (4,4) |
| CHESTERLESTREET | Troubled test selector here misses old test venue that's underused? (7-2-6) |
| BACKGROUNDMUSIC | As played with something else going on in the foreground (10,5) |
| BANNEDSUBSTANCE | Illegal drug gang announced replacement with attitude (6,9) |
| THEORY | Proposed explanation whose status is still conjectural and subject to experimentation. (6) |
| RIFLE | Search and subject to an amount of pilfering, possibly (5) |
| INSURED | At home on certain day and subject to cover? (7) |
| UNDERFIRE | Make half-baked and subject to criticism |
| UNDER | Beneath me, and subject to control (5) |
| COUNTERCLAIM | Refute what is said with something else in the bar on request (7-5) |
| MORE | Army doctor joins Sappers - with something else to come (4) |
| UNITED | Untied, put together differently and combined with something else |
| STEMCELL | Contributor to replacement therapy to control market, it's said |
| INTERNMENT | Old test for lads in bottom line leads to detention (10) |
| OLEVEL | Love to get the French against the Spanish in old test (1,5) |
| ADJOIN | Have a common border with something else (6) |
