| Answer | Crossword Clue |
|---|---|
| SEA | Blue expanse |
| SKY | Blue expanse |
| OCEAN | Blue expanse |
| OCEAN | Great blue expanse |
| MER | Blue expanse in France |
| skylike | the apparently dome-shaped expanse extending upwards from the horizon that is characteristically blue or grey during the day, red in the evening, and black at night |
