Roget's Thesaurus

#456. Incuriosity

Nouns

incuriosity, incuriousness etc. adj.; insouciance etc. 866; indifference, lack of interest, disinterest. boredom, ennui (weariness) 841; satiety etc. 639; foreknowledge (foresight) 510.

Verbs

be incurious etc. adj.; have no curiosity etc. 455; take no interest in etc. 823; mind one's own business.

Adjectives

incurious, uninquisitive, indifferent; impassive etc. 823; uninterested, detached, aloof.