Synonyms for

Impenetrable

Verb / ˌɪˈmpenʌtrʌbʌl / Another word for impenetrable — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

unable to be penetrated; impossible to pass through or enter

Synonyms & similar words

Example sentences

  1. The fortress was impenetrable, and the enemy could not breach it.
  2. The code was so complex that it was impenetrable to hackers.
  3. The old safe was impenetrable, and no one could break it open.
  4. The armor was impenetrable, and the warrior was protected from all attacks.
  5. The wall of thorns was impenetrable, and no one could get through it.

Quotes

  • The impenetrable sound of the rain.
  • The impenetrable dark of the night.
  • The impenetrable barrier of fear.

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