/ Thesaurus / B Synonyms of block diagram Find synonyms for: Noun1. block diagram, diagramusage: a diagram showing the interconnections between the components of system (especially an electronic system)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language