/ Thesaurus / R Synonyms of red dwarf Find synonyms for: Noun1. red dwarf, red dwarf star, starusage: a small, old, relatively cool star; approximately 100 times the mass of JupiterWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language