impervious

Definitions

Not allowing fluid to pass through.

Unable to be affected by or influenced by something.

Examples

The new roof is completely impervious to heavy rain and snow.

Despite the intense criticism, she remained impervious to his negative comments.

Synonyms

impenetrable resistant immune unaffected invulnerable impermeable unresponsive

Antonyms

penetrable vulnerable susceptible sensitive permeable exposed receptive