| Clue | Source | Date |
|---|---|---|
| Emotionally empty, metaphorically | ||
| Lacking character, as some brutalist architecture | Wall Street Journal | 26 Nov 2024 |
| Utterly dead inside | ||
| Unfeeling music genre? Not so much (8) | The Guardian Cryptic | 27 May 2024 |
| Unfeeling | The Guardian Quick | 16 May 2022 |
| Lacking spirit |