/ Thesaurus / U Synonyms of upright piano Find synonyms for: Noun1. upright, upright piano, piano, pianoforte, forte-pianousage: a piano with a vertical sounding boardWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language