impermeable

Word parts

im- + permeable

Pronunciation

• IPA ^(key): /ɪmˈpɜːrmɪəbəl/

• Audio (UK)

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Adjective

Positive impermeable

Comparative more impermeable

Superlative most impermeable

1. If something is impermeable. it is impossible to permeate.
   • Antonym: permeable
2. If something is impermeable. it does not allow anything to pass through, especially of liquids.
   • Synonyms: sealed and waterproof
   • Antonym: permeable