imperviously
English
editEtymology
editFrom impervious + -ly.
Adverb
editimperviously (comparative more imperviously, superlative most imperviously)
- In an impervious manner; impenetrably; impermeably.
References
edit- “imperviously”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.