| Clue | Source | Date |
|---|---|---|
| More grumpy | USA Today | 26 Dec 2024 |
| Teacher stuck in unfinished physics lab becomes increasingly irritable | The Guardian Cryptic | 29 Nov 2023 |
| Teacher stuck in unfinished physics lab becomes increasingly irritable (8) | ||
| More like Oscar the Grouch | LA Times Daily | 13 Sep 2018 |
| More like Oscar the Grouch | The Washington Post | 13 Sep 2018 |
| More like Oscar the Grouch | ||
| Less agreeable |