impermeable

Fetched 2026-10-26 (cache).

Synonyms: impermeably, imperviable, permeable, impierceable

Antonyms: impermeably, imperviable, permeable, impierceable

Related words from Datamuse; suggestions, not definitions.

Adjective

1. Impossible to [[permeate]].
2. Not allowing [[passage]], especially of [[liquid]]s; [[waterproof]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.