impervious
Concise Oxford English Dictionary © 2008 Oxford University Press:
impervious /ɪmˈpəːvɪəs/
▶adjective
- 1 not allowing fluid to pass through.
- 2 (impervious to) unable to be affected by.
– derivatives
imperviously adverb,
imperviousness noun.
imperviously adverb,
imperviousness noun.
'impervious' also found in these Oxford entries:
birchbark
- damp-proof
- flexography
- glaze
- gumbo
- hardpan
- rainproof
- repel
- repellent
- seal
- waterproof

