Synonyms and Antonyms of impervious
1 not allowing penetration (as by gas, liquid, or light) the material for this coat is supposed to be impervious to rain Synonyms of impervious impenetrable, impermeable, tightWords Related to impervious close, compact, dense, snug, thick; airtight, hermetic (also hermetical), leakproof, watertight; lightproof, soundproof, waterproofNear Antonyms of impervious absorbent, leaky, porous, unsealedAntonyms of impervious penetrable, permeable, pervious
2 impossible to get through or into the rain forest is impervious to all but the most dedicated explorers Synonyms of impervious impassable (also impassible), impermeable, impenetrable, impregnableWords Related to impervious close, compact, dense, thick, tight; compressed, condensed; sturdy, substantial, tough; firm, frozen, hard, solid, stiff; inflexible, rigid, unbending, unyieldingNear Antonyms of impervious soft, squishy; bendable, elastic, flexible, giving, malleable, pliable, yielding; absorbent, porousAntonyms of impervious negotiable, passable, penetrable, permeable
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