| Clue | Source | Date |
|---|---|---|
| Hygienic, like doctors' tools | Newsday | 06 Mar 2026 |
| Hygenic (4-4) | ||
| Totally sanitised (4-4) | ||
| Seed doesn't cost anything - as a result someone must have really cleaned-up earlier on? | ||
| ... emerge from striking Old Master uncannily pure | The Telegraph Toughie | 27 Apr 2018 |
| Devoid of bacteria | ||
| Sterile | ||
| Sterilized. |