| Clue | Source | Date |
|---|---|---|
| React slightly | LA Times Daily | 24 May 2025 |
| React, but just barely | New York Times | 03 Sep 2023 |
| Display a subtle reaction | Wall Street Journal | 30 Mar 2019 |
| Display a subtle reaction | ||
| React, barely | LA Times Daily | 12 Aug 2018 |
| React, barely | ||
| Register surprise, facially (and just barely) | ||
| React, barely | ||
| React, just barely | ||
| Wink | ||
| Flirt, maybe | ||
| Wink | ||
| Act surprised | ||
| Not ___ (be unsurprised): Colloq. |