adj. 1 often derog. (of a person, esp. a child) prematurely developed in some faculty or characteristic. 2 (of an action etc.) indicating such development. 3 (of a plant) flowering or fruiting early. precociously adv. precociousness n. precocity n.
[ L praecox -cocis f. praecoquere ripen fully (as PRAE-, coquere cook) ]