uninterested
Definitions
Not interested; having no desire to know or learn about something.
Indifferent or unconcerned.
Examples
He remained completely uninterested in the political debate happening around him.
The students appeared uninterested in the lecture, as most of them were staring out the window.
Synonyms
indifferent apathetic unconcerned bored detached disinterested unresponsive
Antonyms
interested attentive curious engaged enthusiastic concerned eager