impermeable
- a preventing especially liquids to pass or diffuse through
impermeable stone
an impermeable layer of scum
a coat impermeable to rain
- Unlike Waugh's earlier novels, its irony had not been outrageously funny, and the typical Waugh mood, bright, pardlike and impermeable, had been clouded by a sweat of nostalgic .
- Even the Great Wall of China was not impermeable.
- Leave Me Alone suggests he is turning away from everything, back again to the desperate comforts of his own impermeable world of fantasy.