AntonymFor.com

Antonyms for precocious

all:

retarded.

exceptionally smart, ahead of age in understanding:

unintelligent, stupid.

noun:

expected, slow, postponed, half-witted, moronic, cretinous, later, feebleminded, tardy, anticipated, overdue.

n.:

belatedly, middle, tardily, Serotinous, altricious.