Home › Words › R › rewardlessnessrewardlessnessrewardlessness means absence of a reward.Among words judged in Lexicurio's Arena, rewardlessness ranks #10,422 of 42,762 for Qualifying.EtymologyFrom rewardless + -ness.nounAbsence of a reward.Definitions & examples from Wiktionary (CC BY-SA 3.0).