/ Thesaurus / R Synonyms of rainless Find synonyms for: Adjective1. rainless, dry (vs. wet)usage: lacking rain; "a rainless month"; "rainless skies"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language