Impassable

adj

adj ·4 syllables ·Uncommon ·Advanced level

Definitions

Adjective
  1. 1
    Incapable of being passed over, crossed, or negotiated. usually

    "At the same time, the encroachment of vegetation proceeds apace, and broom and brambles have already made portions of the line impassable, even on foot."

  2. 2
    Incapable of being overcome or surmounted.
  3. 3
    Not usable as legal tender.
Adjective
  1. 1
    incapable of being passed wordnet

Synonyms

All synonyms
denseimpenetrableimpermeableimperviousinaccessibleindomitable

Example

More examples

"There were white out conditions in the town; subsequently, the roads were impassable."

Etymology

From im- + pass + -able.

Related phrases

legal tender

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.