1.marked by a lack of interest;
an apathetic audience
2.showing no care or concern in attitude or action;
indifferent to the sufferings of others
3.(usually followed by `to') unwilling or refusing to pay heed;
deaf to her warnings
4.(often followed by `to') lacking importance; not mattering one way or the other;
whether you choose to do it or not is a matter that is quite immaterial (or indifferent)
5.fairly poor to not very good;
has an indifferent singing voice
6.having only a limited ability to react chemically; not active;
inert matter
7.marked by no especial liking or dislike or preference for one thing over another;
indifferent about which book you would give them
8.characterized by a lack of partiality;
a properly indifferent jury
9.neither good nor bad;
an indifferent performance
10. neither too great nor too little;
a couple of indifferent hills to climb