English to English adjective
1 |
not admitting of penetration or passage into or through | | Example: an impenetrable fortress impenetrable rain forests
source: wordnet30
2 |
Incapable of being penetrated or pierced; not admitting the passage of other bodies; not to be entered; impervious; as, an impenetrable shield. | | source: webster1913 adjective satellite
3 |
permitting little if any light to pass through because of denseness of matter | | Example: dense smoke heavy fog impenetrable gloom
source: wordnet30
4 |
impossible to understand | | Example: impenetrable jargon
source: wordnet30
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