| Clue | Source | Date |
|---|---|---|
| Shrewd person | Thomas Joseph | 04 Mar 2025 |
| Clever sort | Universal | 26 Aug 2023 |
| Nobody's fool | Newsday | 03 Aug 2023 |
| Clever person | Newsday | 19 Oct 2021 |
| Shrewd one | Thomas Joseph | 06 Apr 2021 |
| *Whiz | Wall Street Journal | 25 Nov 2020 |
| *One hard to fool | ||
| *One hard to fool | LA Times Daily | 09 Jul 2020 |
| Person who's sharp as a tack | USA Today | 10 Apr 2020 |
| What you are, by completing the puzzle | Newsday | 16 Feb 2020 |
| Clever sort | USA Today | 20 Jun 2017 |
| Clever person | Newsday | 16 May 2017 |
| Clever sort | ||
| Bright sort | New York Times | 04 Oct 2016 |
| Bright sort | ||
| Clever person | New York Times | 26 Jan 2015 |
| Clever one | Universal | 21 Jan 2015 |
| Clever one | ||
| Clever person | ||
| Quick-on-the-uptake type, in slang | ||
| Clever doughboy? | ||
| Very intelligent person | ||
| Nobody's fool | ||
| Clever person | ||
| Clever doughboy? | ||
| Very intelligent person | ||
| Clever sort | ||
| Clever one | ||
| Shrewd one | ||
| Clever person | ||
| Clever sort | ||
| Sharp one | ||
| Brain food? | ||
| Clever person | ||
| Special person | ||
| Sharp fellow | ||
| Baker's lawyer? | ||
| Guy who knows his onions | ||
| Clever person: Colloq. |