adj
impenetrable
ihm-PEH-nuht-ruh-buhl
Impenetrable (adj) means Impossible to pass through or enter. Example: “The castle walls were considered impenetrable.”
adj
1
Impossible to pass through or enter.
"The castle walls were considered impenetrable."
2
Too complicated or unclear to understand.
"The tax code is nearly impenetrable to the average person."
How to use impenetrable
Learner’s notesIn plain EnglishImpossible to get through, whether physically (a wall) or mentally (a confusing text).
Common pairings
impenetrable fortress
impenetrable jargon
impenetrable defense
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Word forms
- Plural
- impenetrables
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The castle walls were considered _____.
Etymology
From Latin impenetrabilis; im- + penetrable.
Synonyms
View more →Antonyms
Related words
Rhymes for impenetrable
See all rhymes for impenetrable →Frequently asked questions
What does “impenetrable” mean?
The word “impenetrable” means impossible to pass through or enter. In plain terms, impossible to get through, whether physically (a wall) or mentally (a confusing text).
How do you pronounce “impenetrable”?
“Impenetrable” is pronounced ihm-PEH-nuht-ruh-buhl (/ɪmˈpɛnətɹəbəl/ in IPA).
How do you use “impenetrable” in a sentence?
Here is “impenetrable” used in a sentence: “The castle walls were considered impenetrable.”
What part of speech is “impenetrable”?
“Impenetrable” is an adjective.
Where does the word “impenetrable” come from?
The word “impenetrable” comes from Latin. From Latin impenetrabilis; im- + penetrable.
How many meanings does “impenetrable” have?
“Impenetrable” has 2 distinct senses listed in this dictionary. The most common is: impossible to pass through or enter.