Answer | Crossword Clue |
---|---|
DENSE | Hard to penetrate |
ARMOR | It's hard to penetrate |
MURKY | Difficult to penetrate |
DENSEST | Hardest to penetrate |
DENSER | Harder to penetrate |
CLADS | Armor- -- (tough-to-penetrate warships) |
CLADS | Armor-... (tough-to-penetrate warships) |