impenetrable
1 of 1adjective/ɪmˈpɛnɪtrəbl/
Forms:more impenetrable,most impenetrable
1
not capable of being entered, pierced, or passed through
- The thick fog made the forest impenetrable, obscuring visibility.
- The fortress was surrounded by an impenetrable wall, making it difficult for invaders to breach.
- The dense jungle was virtually impenetrable, with dense foliage blocking any attempts at passage.
- The security measures in place were designed to create an impenetrable barrier against unauthorized access.
- The emotional barrier she erected around herself seemed impenetrable, preventing others from getting close.
Antonyms:
2
extremely difficult to fully comprehend
C2- The professor's lectures on quantum mechanics were so impenetrable that most students struggled to grasp the concepts.
- The legal document was filled with impenetrable jargon, making it nearly impossible for the average person to understand.
- Despite multiple attempts, she found the philosopher's writing to be impenetrable, leaving her feeling frustrated and confused.
- The technical manual was written in impenetrable language, leaving even experienced technicians scratching their heads.
- The artist's abstract paintings were so impenetrable that viewers were left to interpret their meaning on their own.