1. (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.

2. (n.) The part or space which lies without an enclosure; the outer side, as of a door, walk, or boundary.

3. (n.) The furthest limit, as to number, quantity, extent, etc.; the utmost; as, it may last a week at the outside.

4. (n.) One who, or that which, is without; hence, an outside passenger, as distinguished from one who is inside. See Inside, n. 3.

5. (a.) of or pertaining to the outside; external; exterior; superficial.

6. (a.) Reaching the extreme or farthest limit, as to extent, quantity, etc.; as, an outside estimate.

7. (adv.) or prep. On or to the outside (of); without; on the exterior; as, to ride outside the coach; he stayed outside.

abroad after alfresco alien apart from apparent apparently appearance aside from aspect bar barbarian barbaric barbarous beside best border but case casing circumference cortex cortical cottage covering crust demeanor different disguise door en plein air envelope epidermic epidermis excluded exclusive of exomorphic exotic exterior exteriorly external externally extraneous extraorganismal extraterrestrial extreme extrinsic facade face facet facing faint false front farthest fat foreign foreign-born freelance fringe front furthest greatest highest home impersonal in the open independent integument intrusive largest limit lineaments longest look mask maximal maximum mien most negligible nonsubjective objective off on the outside on the surface open open air open-air openly out out of doors out-of-door out-of-doors outdoor outdoors outer outer face outer layer outer side outer skin outermost outland outlandish outline outlying outmost outstanding outward outward-facing outwardly outwards over past peripheral periphery private public publically remote rind roundabout save saving secondary seeming separate shell skin slender slight slim small strange superficial superficially superficies superstratum surface the open the out-of-doors to all appearances top topmost ulterior unconnected unearthly uninvolved unlikely utmost without worst