impenetrable: [adjective] incapable of being penetrated or pierced. inaccessible to knowledge, reason, or sympathy : impervious.

impenetrable definition: 1. impossible to see through or go through: 2. impossible to understand: 3. impossible to see…. Learn more.

Impenetrable definition, not penetrable; that cannot be penetrated, pierced, entered, etc. See more.

Define impenetrable. impenetrable synonyms, impenetrable pronunciation, impenetrable translation, English dictionary definition of impenetrable. adj. 1. Impossible to penetrate or enter: an impenetrable fortress.

Synonyms for IMPENETRABLE: impassable, impermeable, impervious, impregnable, arcane, cryptic, deep, enigmatic; Antonyms for IMPENETRABLE: negotiable, passable ...

2/7/2022 · Impenetrable definition: If you describe something such as a barrier or a forest as impenetrable , you mean that... | Meaning, pronunciation, translations and examples

Britannica Dictionary definition of IMPENETRABLE. [more impenetrable; most impenetrable] 1. : impossible to pass or see through. an impenetrable wall/barrier/jungle. The fort's defenses were thought to be impenetrable. impenetrable darkness/fog. 2. : impossible to understand.

impenetrable: 1 adj not admitting of penetration or passage into or through “an impenetrable fortress” “ impenetrable rain forests” Synonyms: dense , thick hard to pass through because of dense growth Antonyms: penetrable admitting of penetration or passage into or through adj permitting little if any light to pass through because of denseness ...