/ Thesaurus / L Synonyms of lichen ruber planus Find synonyms for: Noun1. lichen planus, lichen ruber planus, lichenusage: an eruption of shiny flat-topped purplish (usually itchy) papules on the wrist and forearms and thighsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language