/ Thesaurus / S Synonyms of small letter Find synonyms for: Noun1. small letter, lowercase, lower-case letter, minuscule, character, grapheme, graphic symbolusage: the characters that were once kept in bottom half of a compositor's type caseWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: leonine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language