'Impermeable' definitions:
Definition of 'impermeable'
(from WordNet)
adjective
Preventing especially liquids to pass or diffuse through; "impermeable stone"; "an impermeable layer of scum"; "a coat impermeable to rain" [ant: permeable]
Definition of 'Impermeable'
From: GCIDE
- Impermeable \Im*per"me*a*ble\, a. [Pref. im- not + permeable: cf. F. imperm['e]able, L. impermeabilis.] Not permeable; not permitting passage, as of a fluid. through its substance; impervious; impenetrable; as, India rubber is impermeable to water and to air. -- {Im*per"me*a*ble*ness}, n. -- {Im*per"me*a*bly}, adv. [1913 Webster]
Synonyms of 'impermeable'
From: Moby Thesaurus
- close,
- close-knit,
- close-textured,
- close-woven,
- closed,
- compact,
- compacted,
- compressed,
- concentrated,
- concrete,
- condensed,
- congested,
- consolidated,
- crammed,
- crammed full,
- crowded,
- dense,
- firm,
- gluey,
- hard,
- heavy,
- hermetic,
- holeproof,
- impassable,
- impenetrable,
- impervious,
- jam-packed,
- jammed,
- massive,
- nonporous,
- nonpuncturable,
- packed,
- punctureproof,
- sealed,
- serried,
- solid,
- substantial,
- thick,
- thick-growing,
- thickset,
- unpassable,
- unperforable,
- unpierceable,
- viscid,
- viscose,
- viscous