Dictionary Check: impenetrable
"impenetrable" is a valid word!
Scrabble
18
points
Words with Friends
23
points
Definition
adjective
not admitting of penetration or passage into or through
Example:
"an impenetrable fortress"
adjective
permitting little if any light to pass through because of denseness of matter
Example:
"dense smoke"
adjective
impossible to understand
Example:
"impenetrable jargon"
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