/ Dictionary / Index A alongside: Meaning and Definition of Find definitions for: a•long•side Pronunciation: (u-lông'sīd', u-long'-), [key] — adv. along, by, at, or to the side of something: We brought the boat alongside. —prep. beside; by the side of: The dog ran alongside me all the way. compared with: Alongside of his brother, he is no student at all. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: alongside (Thesaurus) alongshore Alonso Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language