impenetrable

18 points English 12 letters Common Commonness #19,399 Valid in: US and UK dictionaries

Definitions

adjective

impossible to understand

Definition: WordNet 3.1, Princeton University.

/ˌɪmpˈɛnʌtɹʌbʌl/ · 5 syllables · CMUdict (BSD-3-Clause)

impossible to understand

not admitting of penetration or passage into or through

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

Synonyms grouped by meaning — WordNet 3.1 (Princeton University).

Antonyms — WordNet 3.1 (Princeton University).

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