/ Thesaurus / L Synonyms of light filter Find synonyms for: Noun1. light filter, diffusing screen, filterusage: a transparent filter that reduces the light (or some wavelengths of the light) passing through itWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language