imperturbably

== English == === Etymology === From imperturbable +‎ -ly. === Adverb === imperturbably (comparative more imperturbably, superlative most imperturbably) In an imperturbable manner; calmly. === References === William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “imperturbably”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC. “imperturbably”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.