1 : showing no care or concern in attitude or action; "indifferent to the sufferings of others"; "indifferent to her plea"
2 : marked by a lack of interest; "an apathetic audience"; "the universe is neither hostile nor friendly; it is simply indifferent"
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)"; "what others think is altogether indifferent to him"
