/ Thesaurus / S Synonyms of spiritlessness Find synonyms for: Noun1. apathy, indifference, numbness, spiritlessness, passivity, passivenessusage: the trait of lacking enthusiasm for or interest in things generallyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language