| Clue | Source | Date |
|---|---|---|
| "Semper -" (Marines' motto) | Premier Sunday | 14 Jul 2024 |
| "Semper -" | Eugene Sheffer | 29 Jun 2024 |
| "Semper —" | Eugene Sheffer | 01 Jul 2023 |
| 'Semper ___' (Marine Corps motto) | New York Times | 22 May 2019 |
| "Semper ___" (Marine Corps motto) | ||
| ''Semper __'' | Newsday | 17 Jun 2018 |
| Adjective in the Marine motto | ||
| Faithful to Caesar? | ||
| "Semper _____" (Marine Corps motto) | ||
| "Semper ___" (Marine's motto) | ||
| "Semper ___," Marine Corps motto | ||
| With 1 Across, Marine Corps motto | ||
| Part of the Leathernecks' motto. |