Direct Opposites:
* Indifferent: Lacking interest or concern.
* Apathetic: Showing or feeling no interest, enthusiasm, or concern.
* Uninterested: Not interested in something.
* Uncurious: Not curious.
Other Opposites:
* Content: Satisfied and at ease.
* Complacent: Feeling or showing smug satisfaction with oneself or one's achievements.
* Ignorant: Lacking knowledge or information.
* Unaware: Not knowing or realizing something.
* Unquestioning: Accepting something without questioning it.
The best opposite will depend on the specific situation and what you want to emphasize.