absence or suppression of passion, emotion, or excitement.
lack of interest in or concern for things that others find moving or exciting.
Also ap·a·thei·a, ap·a·thi·a [ap-uh-thee-uh]. /ˌæp əˈθi ə/. Stoicism. freedom from emotion of any kind.
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British Dictionary definitions for apathy
absence of interest in or enthusiasm for things generally considered interesting or moving
absence of emotion
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012