impervious Synonyms

imperviable impassable impenetrable impermeable cagoule unapproachable runproof unfeeling leakproof light-tight lightproof bulletproof watertight Burberry raincoat submersible airtight unmovable unmoved unpassable unpenetrable unsurmountable waterproof wayless weatherproof woundless unsusceptible unmolested nonabsorbent acid-fast armour-plated burglarproof calloused unachievable unattainable un-come-at-able uninjectable unpierceable unrealizable unreceptive untouched untraversable untrod unvanquishable waterproofed shatterproof uncaring case-hardened mothproof no-go