Akademik

imperviable
adjective
not admitting of passage or capable of being affected
-

a material impervious to water

-

someone impervious to argument

Syn: ↑impervious
Ant: ↑pervious (for: ↑impervious)
Similar to:
fast, ↑acid-fast, ↑colorfast, ↑greaseproof, ↑mothproof, ↑moth-resistant, ↑proof, ↑resistant, ↑corrosion-resistant, ↑rot-resistant, ↑runproof, ↑ladder-proof, ↑run-resistant, ↑soundproof
See Also: ↑impermeable
Derivationally related forms: ↑imperviousness (for: ↑impervious)

Useful english dictionary. 2012.