Synonyms for

Impenetrable

Verb 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

penetrable dense heavy invincible impervious unbreakable indestructible solid dense thick hard firm resilient tough strong impassable inaccessible unassailable secure fortified unyielding unconquerable untouchable

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