WordNet: out of the blue, unanticipated, unforeseen, unlooked-for

Sanatista
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"



out of the blue


unanticipated


unforeseen


unlooked-for