Synonyms and Antonyms of impermeable
1 impossible to get through or into the wall of security people surrounding the rock band was impermeable Synonyms of impermeable impassable (also impassible), impenetrable, impervious, impregnableWords Related to impermeable close, compact, dense, thick, tight; compressed, condensed; sturdy, substantial, tough; firm, frozen, hard, solid, stiff; inflexible, rigid, unbending, unyieldingNear Antonyms of impermeable soft, squishy; bendable, elastic, flexible, giving, malleable, pliable, yielding; absorbent, porousAntonyms of impermeable negotiable, passable, penetrable, permeable
2 not allowing penetration (as by gas, liquid, or light) an impermeable seal on the ancient tomb had preserved the artifacts exceptionally well Synonyms of impermeable impenetrable, tight, imperviousWords Related to impermeable close, compact, dense, snug, thick; airtight, hermetic (also hermetical), leakproof, watertight; lightproof, soundproof, waterproofNear Antonyms of impermeable absorbent, leaky, porous, unsealedAntonyms of impermeable penetrable, permeable, pervious
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