| MUCHLESS | And certainly not a big reduction (4,4) |
| USCENSUS | Once-per-decade count tabulated on the first day of April (and certainly not a prank) |
| ONEHORSETOWN | Certainly not a big place for equestrians (3-5,4) |
| REGULATE | Police, say, invading game - and certainly not before time |
| COLOSSAL | Huge reduction in fossil fuel (8) |
| DEADLOSS | Total failure, certainly not a quick profit (4,4) |
| UNDERDOG | Inadequately cook middle of egg ___ certainly not a favourite! (8) |
| CUCUMBER | Underwater creature that's certainly not a cucumber |
| AUCTIONBRIDGE | Early version of a popular card came - a big reduction (anag) (7,6) |
| OWLET | Bird that's probably not wise and certainly not old |
| LLANDUDNO | Reject tedious housing and certainly not resort in Wales (9) |
| COWBOY | Unprofessional, and certainly not brave! (6) |
| FLESHY | Plump sprite, backward and certainly not forward (6) |
| BOMBING | Stepping on it - and certainly not coming off |
| UPRIGHT | Honest, and certainly not lying (7) |
| EVERSO | Still huge and certainly not shrinking, seen from behind (4,2) |
| LYING | Being untruthful, and certainly not upright (5) |
| IMPERFECT | Tense and certainly not flawless (9) |
| EXILED | Put out, and certainly not at home |
| ARISTOCRATIC | Performing castrati choir, leaving Midlothian behind, out of order and certainly not common (12) |