imperviously
English
Etymology
From impervious + -ly.
Adverb
imperviously (comparative more imperviously, superlative most imperviously)
- In an impervious manner; impenetrably; impermeably.
References
- William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “imperviously”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.