Crossword Puzzle Clue Answers
We've seen 1 answer for the crossword clue 'Hard to penetrate' in our database. It has been used in 6 crosswords, the latest of which was the Pat Sajack's Code Letter crossword on March 05, 2009.
Crossword answers for the clue "Hard to penetrate"
- DENSE
Related Clues
- Thick
- None too bright
- None too brainy
- Not too swift
- Thickheaded
- Impenetrable
- Crowded
- Packed tight
- Blockish
- Not the brightest bulb on the tree
- Doltish
- Unintelligent
- Blockheaded
- Short on sharpness
- Slow on the uptake
- Like osmium, more than any other known element
- Packed
- Hardly suited for Mensa
- Concentrated
- Not the sharpest pencil in the box
Last Seen In
- Pat Sajack's Code Letter - March 05, 2009
- Pat Sajack's Code Letter - January 23, 2008
- USA Today - October 18, 2005
- Family Time - January 03, 2005
- Washington Post - July 11, 2004
- USA Today - March 16, 2004