What is the crossword answer for the clue: Impenetrable

DENSE - a 5 letter word may be the answer you are looking for!

ADAMANTINE - a 10 letter word may be the answer you are looking for!

AIRTIGHT - a 8 letter word may be the answer you are looking for!

SOLID - a 5 letter word may be the answer you are looking for!

ARCANE - a 6 letter word may be the answer you are looking for!

OPAQUE - a 6 letter word may be the answer you are looking for!

DEEP - a 4 letter word may be the answer you are looking for!

Impenetrable

4 Character Answers:

DEEP

5 Character Answers:

DENSE

SOLID

6 Character Answers:

ARCANE

OPAQUE

8 Character Answers:

AIRTIGHT

10 Character Answers:

ADAMANTINE