/ Thesaurus / S Synonyms of subheading Find synonyms for: Noun1. subheading, subhead, heading, header, headusage: a heading of a subdivision of a textWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language