Impenetrable Meaning

There are 3 meaning(s) for word Impenetrable

Meaning 1 : permitting little if any light to pass through because of denseness of matter

    Example : impenetrable gloom

    Synonyms : dense,  heavy
Meaning 2 : impossible to understand

    Example : impenetrable jargon

Meaning 3 : not admitting of penetration or passage into or through

    Example : an impenetrable fortress,impenetrable rain forests

Impenetrable Antonyms