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"
not disciplined or conditioned or made adept by training; "an untrained voice"; "untrained troops"; "young minds untrained in the habit of concentration"
appearing or developing early; "precocious flowers appear before the leaves as in some species of magnolias"
characterized by or characteristic of exceptionally early development or maturity (especially in mental aptitude); "a precocious child"; "a precocious achievement"
not characteristic of or befitting a profession or one engaged in a profession; "described in unprofessional language so that high school students could understand it"; "was censured for unprofessional conduct"; "unprofessional repairs"