| Answer | Crossword Clue |
|---|---|
| POSTHASTE | In the quickest possible manner. |
| soon | a prompt manner speedily as soon as possible the sooner the better no sooner said than done |
| soonest | a prompt manner speedily as soon as possible the sooner the better no sooner said than done |
| NOTHINGFLAT | Quickest possible time: Slang. |
| finality | A tone or manner that indicates that no further comment or argument is possible |
