/ Thesaurus / S Synonyms of shininess Find synonyms for: Noun1. shininess, sheen, luster, lustre, radiance, radiancy, shine, effulgence, refulgence, refulgencyusage: the visual property of something that shines with reflected lightWordNet 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