impenetrable
UK/im'penitrәbl/US
GREC2
Definitions
adj.
Impossible to pass through or enter; impossible to understand or comprehend.
无法穿透的；难以理解的；费解的
Root Breakdown
Native Englishimpenetrableother
=impenetrable
Common Collocations
- 1.impenetrable wall无法穿透的城墙
- 2.impenetrable mystery难以解开的谜团
Example Sentences
- 1.
The ancient fortress had impenetrable walls that no enemy could breach.
- 2.
His motives remained impenetrable to even his closest friends.