/ Thesaurus / G Synonyms of gaff topsail Find synonyms for: Noun1. gaff topsail, fore-and-aft topsail, fore-and-aft sailusage: a triangular fore-and-aft sail with its foot along the gaff and its luff on the topmastWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dispel Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language