Breadcrumb Home > Thesaurus > P Synonyms of pennywhistle Find synonyms for: Noun1. pennywhistle, tin whistle, whistle, fipple flute, fipple pipe, recorder, vertical fluteusage: an inexpensive fipple fluteWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: legerdemain Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language