1
[ adjective ] not admitting of passage or capable of being affected

Synonyms

imperviable

Examples

"a material impervious to water" "steel impervious to bullets" "someone impervious to argument"

Used in print

(Frieda Arkin, "The Light of the Sea," in The...)

And it presented itself to him as it would to any stranger , impervious , complete in itself .

*