/ Dictionary / Index S sidelong: Meaning and Definition of Find definitions for: side•long Pronunciation: (sīd'lông", -long"), [key] — adj. directed to one side: a sidelong glance. inclined or slanting to one side. indirect; roundabout: sidelong comments about his appearance. —adv. toward the side; obliquely. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sidelong (Thesaurus) sidelock sideman Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language