Clues for the word "IMPREGNABLE"
We've had 1 crossword clue used for this word.
Definition of impregnable
- a. - Not to be stormed, or taken by assault; incapable of being subdued; able to resist attack; unconquerable; as, an impregnable fortress; impregnable virtue.
- a. - Capable of being impregnated, as the egg of an animal, or the ovule of a plant.