Breadcrumb Home > Dictionary Cite Meaning of to-and-fro Find definitions for: to-and-fro Pronunciation: (t'un-frō'), [key] — adj., n., pl. -fros. —adj. back-and-forth: to-and-fro motion. —n. a continuous or regular movement backward and forward; an alternating movement, flux, flow, etc.: the to-and-fro of the surf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. toady toast Related Content Daily Word Quiz: occultation Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language