/ Thesaurus / C Synonyms of cheerfulness Find synonyms for: Noun1. cheerfulness, cheer, sunniness, sunshine, attributeusage: the quality of being cheerful and dispelling gloom; "flowers added a note of cheerfulness to the drab room"2. cheerfulness, blitheness, happinessusage: a feeling of spontaneous good spirits; "his cheerfulness made everyone feel better"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: lyre Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language