| Clue | Source | Date |
|---|---|---|
| Underground explorer with common sense that's huge | ||
| Cape state - definitely not American - offering lots of room | The Times Cryptic | 12 May 2025 |
| Deep-set | ||
| Oppressively large and spacious grotto round you and me (9) | ||
| Filled with hollows | ||
| Head of Chinese State Intelligence is yawning | The Guardian Cryptic | 09 Jan 2024 |
| Head of Chinese State Intelligence is yawning (9) | ||
| Captain Ahab initially runs in from vessel, gaping | The Times Cryptic | 22 Dec 2022 |
| Extremely roomy | Wall Street Journal | 26 Jan 2022 |
| Dark sort of explorer suppresses common sense | ||
| Yawning | ||
| Like Carlsbad | ||
| Yawning | ||
| Vast and hollow |