| Clue | Source | Date |
|---|---|---|
| Character relating to lack of self-assurance and confidence | ||
| Lacking self-assurance or bravery | ||
| Milquetoast's characteristic | The Washington Post | 16 Jan 2016 |
| Reticence | ||
| Reason for shrinking | ||
| Lack of confidence | ||
| Quality of 51 Across | ||
| Lack of daring. |