Home › Words › U › unaffectionunaffectionunaffection means the lack or absence of affection; affectionlessness.Among words judged in Lexicurio's Arena, unaffection ranks #3,412 of 42,747 for Qualifying.EtymologyFrom un- + affection.nounThe lack or absence of affection; affectionlessness.Definitions & examples from Wiktionary (CC BY-SA 3.0).