English dictionary

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English adjective: impenetrable

1. impenetrable not admitting of penetration or passage into or through

SamplesAn impenetrable fortress.
Impenetrable rain forests.

Similardense, thick


2. impenetrable permitting little if any light to pass through because of denseness of matter

SamplesDense smoke.
Heavy fog.
Impenetrable gloom.

Synonymsdense, heavy



3. impenetrable impossible to understand

SamplesImpenetrable jargon.

Similarincomprehensible, uncomprehensible

Antonymscomprehendible, comprehensible

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