Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

impenetrability

play
noun im·pen·e·tra·bil·i·ty \(ˌ)im-ˌpe-nə-trə-ˈbi-lə-tē\

Definition of impenetrability

  1. 1 :  the inability of two portions of matter to occupy the same space at the same time

  2. 2 :  the quality or state of being impenetrable



Examples of impenetrability in a sentence

  1. <the impenetrability of her prose is apparently the basis of her appeal to literary snobs>



1653

First Known Use of impenetrability

1653


Learn More about impenetrability


Seen and Heard

What made you want to look up impenetrability? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to proceed clumsily or ineffectually

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

lavender-fields-in-france

Which of these is a synonym of caesura?

rebellion megillah torrent interruption
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ