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.]

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.