premature

premature (http://definr.com/premature)

     adj 1: born after a gestation period of less than the normal time;
            "a premature infant" [ant: full-term]
     2: too soon or too hasty; "our condemnation of him was a bit
        previous"; "a premature judgment" [syn: previous(p)]
     3: uncommonly early or before the expected time; "illness led
        to his premature death"; "alcohol brought him to an
        untimely end" [syn: untimely]