Impenetrable
Definition, Meaning & Examples
Pronunciation /ɪmˈpɛnətɹəbəl/ · Part of speech adjective
Quick meaning: Impenetrable is an adjective meaning Not penetrable.
Meaning
Not penetrable.
More Meanings
- Opaque; obscure; not translucent or transparent.
- (figuratively) Incomprehensible; fathomless; inscrutable.
- A person not openly given to friendship.
Example Sentences
The fortress is impenetrable, so it cannot be taken.
When night falls, she cloaks the world in impenetrable darkness.
Business jargon makes this document impenetrable—I can’t understand it.
The avalanche spread and stopped, locking everything it carried into an icy cocoon. It was now a jagged, virtually impenetrable pile of ice, longer than a football field and nearly as wide.
Word Forms
- impenetrables
Synonyms for impenetrable
Depending on context, synonyms include impermeable, impregnable, unfathomable, abstruse, dense, enigmatic.
Antonyms for impenetrable
Common opposites include penetrable, permeable, pregnable, fathomable, apprehensible, clear.
Related Words
Related dictionary entries include uncomprehensible, incomprehensible, heavy, dense, thick, impassable.
Related Dictionary Tools
Sources & Attribution
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.