Associations to the word «Impenetrable»

Wiktionary

IMPENETRABLE, adjective. Not penetrable.
IMPENETRABLE, adjective. (figuratively) Incomprehensible; inscrutable.

Dictionary definition

IMPENETRABLE, adjective. Not admitting of penetration or passage into or through; "an impenetrable fortress"; "impenetrable rain forests".
IMPENETRABLE, adjective. Permitting little if any light to pass through because of denseness of matter; "dense smoke"; "heavy fog"; "impenetrable gloom".
IMPENETRABLE, adjective. Impossible to understand; "impenetrable jargon".

Wise words

Speak clearly, if you speak at all; carve every word before you let it fall.
Oliver Wendell Holmes