Apathetic

/ˌapəˈθɛtɪk/

showing or feeling no interest, enthusiasm, or concern.

"an apathetic electorate"

Indifferent
/ɪnˈdɪf(ə)rənt/ having no particular interest...

Bored
/bɔːd/ feeling weary and impatient because one is unoccupied or lacks interest in...

Bad
/bad/  poor quality or a low standard. "a bad diet" not such as to...

Emotions Wheel
I have enjoyed working with the emotions I found in Plutchik, but there are so many more...