Thesaurus
impermeable
adjective
Synonyms and Antonyms of IMPERMEABLE
1
impossible to get through or into <the wall of security people surrounding the rock band was impermeable>
Related Words close, compact, dense, thick, tight; compressed, condensed; sturdy, substantial, tough; firm, frozen, hard, solid, stiff; inflexible, rigid, unbending, unyielding
2
not allowing penetration (as by gas, liquid, or light) <an impermeable seal on the ancient tomb had preserved the artifacts exceptionally well>
Related Words close, compact, dense, snug, thick; airtight, hermetic (also hermetical), leakproof, watertight; lightproof, soundproof, waterproof
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