impenetrable

• impenetrable

• impenetrable

• impenetrable

impenetrable

Adjective

not admitting of penetration or passage into or through; "an impenetrable fortress"; "impenetrable rain forests"

Synonyms:

• impenetrable

Adjective

permitting little if any light to pass through because of denseness of matter; "dense smoke"; "heavy fog"; "impenetrable gloom"

Synonyms:

• dense
• heavy
• impenetrable

Adjective

impossible to understand; "impenetrable jargon"

Synonyms:

• impenetrable