Antonyms of curiosity:
apathy, disinterestedness, disregard, indifference, unconcern, incuriosity, incuriousness, conformity, sameness.
Examples of usage:
— The Boy Aviators' Flight for a Fortune, Wilbur Lawton.
Frank read the marked portion with a somewhat vague curiosity.
— A Man's Hearth, Eleanor M. Ingram.
He looked at her with curiosity.
— The Lure of the Camera, Charles S. Olcott.
The identity of this house has long been a matter of curiosity.