/ Thesaurus / B Synonyms of block capital Find synonyms for: Noun1. block letter, block capital, letter, letter of the alphabet, alphabetic characterusage: a plain hand-drawn letterWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language