impermeably

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