/ Thesaurus / S Synonyms of sine curve Find synonyms for: Noun1. sine curve, sinusoid, wave, undulationusage: the curve of y=sin xWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language