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Definition of unpassable

unpassable

/ˌʌnˈpæsəbəl/
un · pass · a · ble
Adverb:unpassably
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unpassable Lexical Profile

unpassable Game Scores & Validity

• adjective

1

Impossible to travel along, cross, or navigate because of obstacles, rough terrain, or severe weather conditions.

Example

"Heavy mudslides rendered the narrow mountain trail completely unpassable for several weeks."

2

Impossible to successfully pass, achieve a satisfactory grade on, or secure approval for, such as an examination, inspection, or legislative bill.

Example

"Students complained that the final chemistry exam was practically unpassable given the limited time allotted."

Synonyms
View all synonyms for unpassable
Antonyms
View all antonyms for unpassable

Word Nuance & Usage

In contemporary English, "impassable" is strongly preferred for physical roads, mountains, or barriers that cannot be traveled across, whereas "unpassable" is occasionally retained for tests, legislation, or inspection standards that cannot be successfully passed.

• Rhymes for unpassable

• Nearby Words

unpardonable
unpardonably
unpardoned
unpassable
unpassionate
unpasteurized
unpatched

Cite this Entry

Wordmom. (2026). Definition of Unpassable. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/unpassable
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