Standard Lemma guide

impermeability

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • General-American: /ɪmˌpɝmi.əˈbɪlɪti/
  • Received-Pronunciation: /ɪmˌpɜːmi.əˈbɪlɪti/

1

noun

Meaning 1

the quality of being impermeable

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

the property of something that cannot be pervaded by a liquid

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: impermeableness

Antonyms: permeability

Broader terms: solidity, solidness

Narrower terms: retentiveness, retentivity, retention, nonabsorbency

History

Etymology

Borrowed from French imperméabilité.

Across languages

Translations

7 source translations are retained for this English entry.

  • Bulgarian: непроницаемост (nepronicaemost) — the quality of being impermeable
  • Catalan: impermeabilitat — the quality of being impermeable
  • French: imperméabilité — the quality of being impermeable
  • Irish: neamh-thréscaoilteacht — the quality of being impermeable
  • Irish: neamhscagacht — the quality of being impermeable
  • Italian: impermeabilità — the quality of being impermeable
  • Spanish: impermeabilidad — the quality of being impermeable