riddle -- (pierce with many holes; "The bullets riddled his body")
riddle -- (set a difficult problem or riddle; "riddle me a riddle")
riddle, screen -- (separate with a riddle, as grain from chaff)
permeate, pervade, penetrate, interpenetrate, diffuse, imbue, riddle -- (spread or diffuse through; "An atmosphere of distrust has permeated this administration"; "music penetrated the entire building"; "His campaign was riddled with accusations and personal attacks")