/ Thesaurus / N Synonyms of narrow boat Find synonyms for: Noun1. canal boat, narrow boat, narrowboat, boatusage: a long boat that carries freight and is narrow enough to be used in canalsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language