unexplicably

From unexplicable +‎ -ly.

unexplicably (comparative more unexplicably, superlative most unexplicably)

1. Uncommon form of inexplicably.
   • 1817 November 8, Albion [pseudonym], “On the Preservation of Our Men of War from Decay, &c.”, in The Naval Chronicle, for 1817: Containing a General and Biographical History of the Royal Navy of the United Kingdom; […], volume XXXVIII, London: […] Joyce Gold, […], →OCLC, Correspondence, page 460:

     [S]urely every encouragement ought to be given, and will be given to those professional men, or to any man who proves successful in throwing any light on this hitherto unexplicably dark and mysterious subject.

   • 1838 August, Andrew B[oyd] Cross, G[eorge] W[ashington] Musgrave, “Action of the Baltimore Presbytery, in Relation to the Schism of 1838”, in Robert J[efferson] Breckinridge, Andrew B. Cross, editors, The Baltimore Literary and Religious Magazine, volume IV, number 8, Baltimore, Md.: […] [F]or the conductors, by Matchett & Neilson, →ISSN, →OCLC, page 366:

     And all these fatal novelties, spring, as from their germ, from the appalling necessity, not yet explained, by which the General Assembly of 1838—[…]—suddenly perished; leaving about one-fourth part of itself, to be its very self; while the remaining three-fourths perishing—not only survived, unchanged, their own destruction; but belieing^[sic] this terrible metamorphosis, outlived the entity into which they had been so unexplicably recreated!

   • 1995, Sheila Weller, “June 12, 1994”, in Raging Heart: The Intimate Story of the Tragic Marriage of O.J. and Nicole Brown Simpson, New York, N.Y.: Pocket Books, →ISBN, page 289:

     At midnight Bettina Rasmussen, a neighbor of Nicole’s, was walking with her husband, Sukru Boztepe, and a dog that their neighbor had found unexplicably wandering down the street with blood on its paws.