/ Dictionary / Index I inside: Meaning and Definition of Find definitions for: in•side Pronunciation: (prep.in"sīd', in'sīd"adv.in"sīd'n.in'sīd'adj.in"sīd', in'-, in'sīd"), [key] — prep. on the inner side or part of; within: inside the circle; inside the envelope. prior to the elapse of; within: He promised to arrive inside an hour. —adv. in or into the inner part: Please go inside. indoors: They play inside on rainy days. within one's heart, reason, etc.; by true nature; basically: I know inside that he's not guilty. Inside, she's really very shy. in prison. within the space or period of: Our car broke down again inside of a mile. —n. the inner or internal part; interior: the inside of the house. the inner side or surface: the inside of the hand; He pinned the money to the inside of his jacket. Usually,the inner parts of the body, esp. the stomach and intestines: The coffee scalded my insides. a select or inner circle of power, prestige, etc.: a man on the inside. the shortest of several parallel, curving tracks or lanes; the part of an oval track closest to the inner rail: The horse came up fast on the inside. the inward nature, mind, feelings, etc. confidential or secret information. an inside passenger or place in a coach, carriage, etc. She knew the work inside out. with the inner side reversed to face the outside. thoroughly; completely:She knew the work inside out. —adj. situated or being on or in the inside; interior; internal: an inside seat. acting, employed, done, or originating within a building or place: He used to work on the dock but now he has an inside job. derived from the inner circle of those concerned in and having private knowledge of a situation: inside information. (of a pitched ball) passing between home plate and the batter: The pitch was low and inside. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: inside (Thesaurus) inshrine inside caliper Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language