impenetrable

/ɪmˈpɛnətɹəbəl/
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Word Statistics

Difficulty LevelMaster

Rare or specialized

Word FrequencyUncommon

Uncommon, mostly in formal contexts

Syllables5

Complex pronunciation

Analysis:

  • Rare or specialized vocabulary
  • Complex pronunciation (5 syllables)
adjective

1. Not penetrable.

"The fortress is impenetrable, so it cannot be taken."

2. Incomprehensible; fathomless; inscrutable.

"Business jargon makes this document impenetrable, I can't understand it."

3. Opaque; obscure; not translucent or transparent.

"When night falls, she cloaks the world in impenetrable darkness."

Synonyms

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