| (n.) | The external part of a thing; the part, end, or side which forms the surface; that which appears, or is manifest; that which is superficial; the exterior. |
| (n.) | The part or space which lies without an inclosure; the outer side, as of a door, walk, or boundary. |
| (n.) | The furthest limit, as to number, quantity, extent, etc.; the utmost; as, it may last a week at the outside. |
| (n.) | One who, or that which, is without; hence, an outside passenger, as distinguished from one who is inside. See Inside, n. 3. |
| (a.) | Of or pertaining to the outside; external; exterior; superficial. |
| (a.) | Reaching the extreme or farthest limit, as to extent, quantity, etc.; as, an outside estimate. |
| (adv.) | or prep. On or to the outside (of); without; on the exterior; as, to ride outside the coach; he stayed outside. |