| Clue | Source | Date |
|---|---|---|
| Indoctrinate, drill into (9) | ||
| Teach through insistent repetition | The Guardian Quick | 03 May 2023 |
| Instil by persistent instruction | Irish Times Simplex | 26 Jan 2022 |
| Awful clue -- I can't impress! | The Telegraph Toughie | 01 Dec 2020 |
| Instil by persistent instruction | Irish Times Simplex | 08 Mar 2019 |
| Impress a nice cult organization | ||
| Current clue can't possibly impress | ||
| Spinner can't clue complicated word for 'instil' | ||
| Implant through repetition | ||
| Drill |