| Answer | Crossword Clue |
|---|---|
| SAFEST | Most impregnable |
| GIBRALTAR | Impregnable stronghold |
| IVORY | Impregnable tower |
| MALTA | Impregnable island, World War II. |
| IDEAS | "Gibraltar may be strong, but ... are impregnable": Emerson |
| Answer | Crossword Clue |
|---|---|
| SAFEST | Most impregnable |
| GIBRALTAR | Impregnable stronghold |
| IVORY | Impregnable tower |
| MALTA | Impregnable island, World War II. |
| IDEAS | "Gibraltar may be strong, but ... are impregnable": Emerson |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.