| Clue | Source | Date |
|---|---|---|
| An essential component | ||
| Upset the apple-cart ___ darn, it's all in (4,3,6) | ||
| ACting RolE | New York Times | 04 Jan 2024 |
| Completely | Thomas Joseph | 28 Apr 2023 |
| Vital component | Universal | 05 Sep 2022 |
| Essential element | Newsday | 04 Apr 2021 |
| Integral component | Eugene Sheffer | 26 Sep 2015 |
| Essential ingredient | Eugene Sheffer | 14 Mar 2015 |
| Essential component | ||
| An essential element | ||
| Essential component | ||
| An essential ingredient | ||
| Essential element | ||
| A necessary element | ||
| A necessary element | ||
| Essential constituent | ||
| Essential to the whole | ||
| Integral element | ||
| Integral element. | ||
| An essential. | ||
| Essential portion. |