| Clue | Source | Date |
|---|---|---|
| *"I'm serious!" | ||
| "No joke!" | USA Today | 28 Feb 2024 |
| "Seriously?" | New York Times | 31 Dec 2023 |
| 'Are you freaking kidding me?' | New York Times | 25 Jun 2023 |
| "You serious?" | Universal | 13 Apr 2022 |
| Seriously small beast adopting rejected stray | The Telegraph Toughie | 21 Feb 2020 |
| "Seriously?" | ||
| 'Seriously?' | New York Times | 22 Dec 2019 |
| Rejected stray taken in by young animal, certainly | The Telegraph Cryptic | 23 Apr 2019 |
| ''No fooling?'' | Newsday | 09 Nov 2017 |
| "Seriously?" | ||
| "No fooling!" | ||
| Genuine | ||
| Honest and true | ||
| "No kidding?" | ||
| "I'm serious!" | ||
| "I'm serious!" | ||
| Actually | ||
| "Honest!" | ||
| Sincere | ||
| Genuine | ||
| Sincere | ||
| To be taken seriously | ||
| Truly, in slang | ||
| Truly | ||
| Truly | ||
| Actually | ||
| Truly, in slang | ||
| Actual | ||
| "It's true!" | ||
| In actuality. |