1. complex and impossible to understand
Anglais mot "impenetrable"(complex and impossible to understand) se produit dans des ensembles:
25 The performance arts: reviews and critiquesuseful adjectives2. impervious
an impervious layer of basaltic clay
He wasn’t even upset when she called him stupid, he’s impervious to insults.
The lock was a mechanical style, impervious to electronic lock breaking.
Galoshes are impervious to water.
A house that keeps out rain and dew and is impervious to heat and cold is a wonderful thing.
3. impossible to enter
4. something really difficult to understand
5. to be really difficult to understand
Anglais mot "impenetrable"(to be really difficult to understand) se produit dans des ensembles:
DO ZAPAMIĘTANIA6. difficult to understand
7. impossible to see through
8. extremely difficult to understand