impenetrability

[ im-pen-i-truh-bil-i-tee, im-pen- ]
/ ɪmˌpɛn ɪ trəˈbɪl ɪ ti, ˌɪm pɛn- /
SEE SYNONYMS FOR impenetrability ON THESAURUS.COM

noun

the state or quality of being impenetrable.
Physics. that property of matter by virtue of which two bodies cannot occupy the same space simultaneously.

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What does “barren” mean?
a cylindrical wooden container with slightly bulging sides.
Worn down by dullness, tedious repetition.
unproductive; unfruitful
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Origin of impenetrability

First recorded in 1655–65; impenetr(able) + -ability

Words nearby impenetrability

impellent, impeller, impend, impendent, impending, impenetrability, impenetrable, impenitent, impennate, imper., imperatival
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Words related to impenetrability

frequency, quantity, thickness, inflexibility, toughness, hardness, durability, body, heaviness, solidity, closeness, concretion, compactness, consistency, massiveness, tightness, denseness, substantiality, density, resistance

Example sentences from the Web for impenetrability