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Definition of impassable
impassable
/ɪmˈpæs.ə.bəl/
im · pas · sa · ble
Adverb:impassably
impassable Lexical Profile
CEFR
B2
Grade
8
Tier
2
Usage
Top 10k
Syllables
4
impassable Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Impossible to travel along, across, or through, typically because of physical obstacles or severe weather conditions.
Example
"Heavy overnight snowfalls left several high mountain roads completely impassable until afternoon."
2
Impossible to overcome, surmount, or get past (of a barrier, difficulty, or divide).
Example
"Language differences initially created an impassable barrier between the two research teams."
Synonyms
View all synonyms for impassable Antonyms
View all antonyms for impassableWord Nuance & Usage
Do not confuse 'impassable' (impossible to travel across or through) with its homophone 'impassible' (incapable of feeling pain, suffering, or emotion).
• Rhymes for impassable
• Nearby Words
Word Origin & Etymology
Formed in the mid-16th century from the assimilated Latin privative prefix 'im-' (not) combined with 'passable', from Old French 'passer' (to pass or cross).
Cite this Entry
Wordmom. (2026). Definition of Impassable. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/impassable