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Definition of Imperviable
1. Adjective. Not admitting of passage or capable of being affected. "Someone impervious to argument"
Exact synonyms: Impervious
Also: Impermeable
Similar to: Fast, Acid-fast, Colorfast, Greaseproof, Moth-resistant, Mothproof, Proof, Resistant, Corrosion-resistant, Rot-resistant, Ladder-proof, Run-resistant, Runproof, Soundproof
Derivative terms: Imperviousness
Antonyms: Pervious
Also: Impermeable
Similar to: Fast, Acid-fast, Colorfast, Greaseproof, Moth-resistant, Mothproof, Proof, Resistant, Corrosion-resistant, Rot-resistant, Ladder-proof, Run-resistant, Runproof, Soundproof
Derivative terms: Imperviousness
Antonyms: Pervious
Definition of Imperviable
1. a. Not pervious; impervious.