The part or parts that face out; the outer surface. The part or side of an object that is presented to the viewer; the external aspect. Outward aspect or appearance: "You'll never persuade me that I can't tell what men are by their outsides\u201d ( George Eliot). The space beyond a boundary or limit. Sports A position at a distance from the inside or center, as of a playing field or racetrack. The utmost limit; the maximum: We'll be leaving in ten days at the outside. Of, relating to, or being on or near the outer side; outer: the outside margin. Of, restricted to, or situated on the outer side of an enclosure or a boundary; external: an outside door lock; an outside antenna. Located away from the inside or center: the outside traffic lane. Acting, occurring, originating, or being at a place beyond certain limits: knew little of the outside world. Gaining or providing access to the external side: an outside telephone line. Not belonging to or originating in a certain group or association: requested outside assistance; deplored outside interference. Being beyond the limits of one's usual work or responsibilities: My outside interests are skiing and sailing. Extreme, uttermost: The costs have exceeded even our outside estimates. Very unlikely; remote: only an outside possibility of winning the tournament. Baseball Passing on the side of home plate away from the batter. Used of a pitch. On or to the outer or external side. Outdoors. On or to the outer or external side of: saw someone outside the window. Beyond the limits of: a little place outside the city. With the exception of; except: We have no other information outside the figures already given.