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Vocabulary Entry
impenetrable
|adjective • noun
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A
adjective
Impenetrable means impossible to pass through or enter.
Example Sentences
"The fortress had impenetrable walls that kept invaders out."
"Her feelings were impenetrable, making it hard for anyone to understand her."
"The thick fog created an impenetrable barrier, obscuring visibility for drivers."
N
noun
Impenetrability refers to the quality of being impenetrable.
Example Sentences
"The impenetrability of the material made it ideal for protective gear."
"Scientists studied the impenetrability of various substances during the experiment."
"The impenetrability of his thoughts frustrated those who tried to get to know him."