Meaning of “impassable” in the English Dictionary

british dictionary

(Definition of “impassable” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"impassable" in American English

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impassableadjective [ not gradable ]

us /ɪmˈpæs·ə·bəl/

(esp. of a road) impossible to travel on or over:

Mudslides made the coast highway impassable.

(Definition of “impassable” from the Cambridge Academic Content Dictionary © Cambridge University Press)