Did you know?

Click any word in a definition or example to find the entry for that word

Pronunciation of 

impenetrable

view main entry for impenetrable adjective  /ɪmˈpenətrəb(ə)l/
British English pronunciation: impenetrableClick to listen to the pronunciation of impenetrable

derived word

impenetrably

adverb
Previous and next

spiralizer

a piece of kitchen equipment used for cutting vegetables into very thin, long strips

BuzzWord Article

Word of the Day

filly

a young female horse

Open Dictionary

troll factory

a company that pays its employees to write online comments in favour or against somebody or something posing as ordinary Internet users

add a word

Blog

A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog