/ Thesaurus / B Synonyms of bioluminescent Find synonyms for: Adjective1. bioluminescent, light (vs. dark)usage: (of living organisms) emitting light; "fireflies are bioluminescent"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: industrious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language