imperviously

/ɪmˈpɜːrviəsli/
adverb
  1. In a way that does not allow something to pass through.
    • They coated the wood imperviously to protect it from moisture.
    • The container was designed imperviously to keep the chemicals inside.
    • The material was sealed imperviously, so no air could escape.
  2. In a way that shows no reaction or influence; unaffectedly.
    • He walked imperviously through the crowd, ignoring the shouts.
    • She listened imperviously to the harsh criticism, her expression unchanged.
    • The old soldier sat imperviously as the fireworks exploded overhead.
Antonyms
What does "imperviously" mean? | whatsthatwordmean | whatsthatwordmean