pervious

invulnerable, impermeable, susceptible, oblivious, impenetrable, insulated, shielded, resistant, indestructible, omnipresent, unfazed, unsusceptible, invincible, devoid, impregnable, penetrable, unperturbed, unruffled, impotent, buffered, infallible, immune, prone, undeterred, unaffected, permeable, indistinguishable, corrosive, undaunted, unmoved, unaccommodating, assailable, unperceived, benign, vulnerable, invisible, inescapable, inefficacious, implacable, uncontainable, useless, axiomatic, nonabsorbent, bulletproof, unrelenting, heedless, pervasive, insulative, unconcerned, retentive, unavoidable, resilient, tolerable, conquerable, insuperable, powerless, inalterable, undisturbed, amenable, ubiquitous, conceivable, unflustered, incessant, untouchable, unremitting, weathered, unrelieved, untempered, incontrovertible, untroubled, hardened, undiscriminating, unfathomable, inevitable, insufferable, harmless, immutable, manmade, untouched, entrenched, unstoppable, insoluble, malleable, insidious, untrammeled, unmerciful, unencumbered, relentless, wrought, imperceptible, unyielding, irresistible, undefeatable, insupportable, unwelcome, irrefutable, teflon, impossible, minimal, unclimbable, undistinguishable, intolerable, pervious, porous, compacted, nonporous, fissured, friable, waterproof, semipermeable, textured, thicker, limy, loamy, permeability, structureless, clayey, overlying

antimagnetic, cellophane, fireproof, impenitent, incorrigible, lute, luting, puddle, soundproof, waterproof

greaseproof, imperviable, ladder-proof, moth-resistant, mothproof, proof, resistant, run-resistant, runproof, soundproof