Synonyms of apathetic

Adjective

1. apathetic, spiritless (vs. spirited)

usage: showing little or no emotion or animation; "a woman who became active rather than apathetic as she grew older"

2. apathetic, indifferent, uninterested (vs. interested)

usage: marked by a lack of interest; "an apathetic audience"; "the universe is neither hostile nor friendly; it is simply indifferent"

Definition and meaning of apathetic (Dictionary)