What is another word for impenetrable?

Need synonyms for impenetrable? Here's a list of words from our thesaurus that you can use instead.

Impossible to get through or into
“The range forms an impenetrable barrier between Europe and Asia.”
Impossible to understand
“But as a technology columnist, I'm in the business of coming up with confusing and impenetrable reactions to events around me.”
Impossible to pass through or enter
“But the circle of outraged nobles had made an almost impenetrable wall surrounding the king and the prince.”
Find more words!
Use * for blank tiles (max 2) Advanced Search Advanced Search
Use * for blank spaces Advanced Search
Advanced Word Finder

See Also

Watch and Learn
Nearby Words
12-letter Words Starting With
Find Synonyms
Word Tools Finders & Helpers Other Languages More Synonyms
Copyright WordHippo © 2019