THESAURUS
uninquisitive
aloof, apathetic, bored, careless, detached, disinterested, distant, heedless, impassive, incurious, indifferent, insouciant, listless, mindless, phlegmatic, regardless, stolid, unconcerned, uninquiring, uninterested, uninvolved, unmindful, withdrawn
ROGET THESAURUS
uninquisitive
Incuriosity
N
incuriosity, incuriousness, insouciance, indifference, lack of interest, disinterest, boredom, ennui (weariness), satiety, foreknowledge (foresight), incurious,
uninquisitive, indifferent, impassive, uninterested, detached, aloof.