[pre.co.cious] adj [L praecoc-, praecox early ripening, precocious, fr. prae- + coquere to cook--more at cook] (1650) 1: exceptionally early in development or occurrence
2: exhibiting mature qualities at an unusually early age -- pre.co.cious.ly adv -- pre.co.cious.ness n -- pre.coc.i.ty n