Definitions of unforeseen

  1. not anticipated; "unanticipated and disconcerting lines of development"- H.W.Glidden; "unforeseen circumstances"; "a virtue unlooked-for in people so full of energy"; "like a bolt out of the blue" Scrapingweb Dictionary DB
  2. happening or coming quickly and without warning; "a sudden unexpected development" Scrapingweb Dictionary DB
  3. Not foreseen or foreknown. Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914.
  4. Not known before it happened. Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.