| Clue | Source | Date |
|---|---|---|
| At heart | Eugene Sheffer | 20 Feb 2026 |
| Blue upon blue in your heart of hearts | The Times Sunday Cryptic | 07 Sep 2025 |
| In one's heart of hearts | Wall Street Journal | 03 Jul 2025 |
| Fundamentally near the boundary in a miserable state (4,4) | ||
| At bottom (2 wds.) | ||
| Fundamentally (2 wds.) | ||
| At heart (2 wds.) | ||
| At heart | Eugene Sheffer | 12 Oct 2020 |
| In one's heart of hearts | New York Times | 27 Oct 2019 |
| In one's heart of hearts | ||
| Fundamentally | The Times Concise | 11 Jul 2019 |
| At heart | ||
| At heart |