impervious
adjective
[ ɪmˈpəːvɪəs ]
• not allowing fluid to pass through.
• "an impervious layer of basaltic clay"
Similar:
impermeable,
impenetrable,
impregnable,
waterproof,
watertight,
water-resistant,
water-repellent,
sealed,
hermetically sealed,
imperviable,
• unable to be affected by.
• "he worked, apparently impervious to the heat"
Similar:
unaffected by,
untouched by,
immune to,
invulnerable to,
insusceptible to,
not susceptible to,
proof against,
unreceptive to,
closed to,
resistant to,
indifferent to,
heedless of,
unresponsive to,
oblivious to,
unmoved by,
deaf to,
Opposite:
receptive to,
susceptible to,
Origin:
mid 17th century: from Latin impervius (from in- ‘not’ + pervius ‘pervious’) + -ous.
