/ Dictionary / Index S sideway: Meaning and Definition of Find definitions for: side•way Pronunciation: (sīd'wā"), [key] — n. a byway. —adj., adv. sideways. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sideway (Thesaurus) sideward sideways Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language