indifferent

indifferent - adjective

marked by a lack of interest
showing no care or concern in attitude or action
(usually followed by `to') unwilling or refusing to pay heed
(often followed by `to') lacking importance; not mattering one way or the other
fairly poor to not very good
having only a limited ability to react chemically; chemically inactive
marked by no especial liking or dislike or preference for one thing over another
characterized by a lack of partiality
being neither good nor bad
neither too great nor too little

indifferent - thesaurus