| Rating | Solver | Clue |
|---|---|---|
| POSTHASTE | At once | |
| PRONTO | At once | |
| INSTANTLY | At once | |
| NOW | At once | |
| OMNIPRESENT | Everywhere at once | |
| PROMPT | Done at once | |
| IMMEDIATE | Done at once | |
| ANON | Straightway; at once. | |
| ATTONCE | At once; together. | |
| SHEERLY | At once; absolutely. | |
| AWAY | At once, straight ... | |
| UBIQUITOUS | Present everywhere at once | |
| INSTANTANEOUSLY | At once, straight away | |
| SHEER | Clean; quite; at once. | |
| ENSEMBLE | All at once; together. | |
| INCONTINENTLY | Immediately; at once; forthwith. | |
| TOE | At once can subtract digit | |
| UNISON | All at once: in — | |
| BREWING | The quantity brewed at once. | |
| DOWNRIGHT | Without delay; at once; completely. | |
| THEREUPON | Immediately; at once; without delay. | |
| AGAIN | Muslim official at home once more | |
| CANTALOUPE | At once, Paul chopped up melon | |
| RESENT | Take umbrage at being dispatched once more | |
| OCTANE | Petrol rating can be converted at once | |