impenetrability
[ im-pen-i-truh-bil-i-tee, im-pen- ]
/ ɪmˌpɛn ɪ trəˈbɪl ɪ ti, ˌɪm pɛn- /
Save This Word!
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.
QUIZZES
QUIZ YOURSELF ON THE MANY TYPES OF NOUNS
They're everywhere you turn, but can you identify the 10 types of nouns easily? This quiz will test your mettle against singular, plural, concrete, abstract, common, proper, collective, compound, countable, and uncountable nouns!
Question 1 of 7
Shoelaces, rainbow, toothpaste, and haircuts are all what type of noun?
Meet Grammar Coach
Improve Your Writing
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. 2021