ap·a·thy 
(ăpə-thē)
(ăpə-thē)n.
1. Lack of interest or concern, especially regarding matters of general importance or appeal; indifference.
2. Lack of emotion or feeling; impassiveness.
[Latin apathīa, from Greek apatheia, from apathēs, without feeling : a-, without; see A-1 + pathos, feeling; see kwent(h)- in the Appendix of Indo-European roots.]