impervious
[adjective]
Synonyms:
- sealed, impassable, impenetrable, impermeable, resistant
- unaffected, immune, invulnerable, proof against, unmoved, untouched

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Antonyms: pervious

[TahlilGaran] English Synonym Dictionary ▲

im‧per‧vi‧ous /ɪmˈpɜːviəs $ -ɜːr-/ adjective [not before noun]
[Date: 1600-1700; Language: Latin; Origin: impervius, from pervius 'allowing things to pass through', from per 'through' + via 'way']

1. formal not affected or influenced by something and seeming not to notice it
impervious to
His ego was impervious to self-doubt.

2. technical not allowing anything to enter or pass through:
impervious volcanic rock
impervious to
materials that are impervious to water

[TahlilGaran] Dictionary of Contemporary English ▲

impervious
adj.
VERBS appear, be, seem | become | remain
ADV. completely, quite, totally, wholly He was completely impervious to criticism.
almost, largely, virtually | apparently
PREP. to She was impervious to his charms.

[TahlilGaran] Collocations Dictionary ▲