| Clue | Source | Date |
|---|---|---|
| That drip, the alien, is quaking! | ||
| I'd get pert yet remain quaking | ||
| Timid | New York Times | 15 Jan 2023 |
| Fearful | Newsday | 17 Mar 2021 |
| Hesitant to act | New York Times | 06 Aug 2020 |
| Hesitant | Jonesin | 04 Sep 2018 |
| Timid | Universal | 18 Jun 2018 |
| Timid | ||
| Fearful | New York Times | 17 Dec 2017 |
| Hesitant | Thomas Joseph | 09 Sep 2017 |
| Apprehensive | The Washington Post | 21 Aug 2017 |
| Apprehensive | LA Times Daily | 21 Aug 2017 |
| Fearful | ||
| Apprehensive | ||
| Apprehensive | Wall Street Journal | 06 Aug 2016 |
| Fearful | LA Times Daily | 05 Oct 2015 |
| Fearful | ||
| Fearful | ||
| Trembling with fear | ||
| Fearful | ||
| Timid by nature | ||
| Apprehensive | ||
| Fearful | ||
| Fearful | ||
| Fearful | ||
| Timorous | ||
| Chicken-hearted | ||
| Trembling with fear | ||
| Timorous | ||
| Chicken | ||
| Fearful | ||
| Afraid | ||
| Hesitant | ||
| Timorous | ||
| Quaking | ||
| Timorous. |