external

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adjective Relating to, existing on, or connected with the outside or an outer part; exterior.
• adjective Suitable for application to the outside.
• adjective Existing independently of the mind.
• adjective Acting or coming from the outside.
• adjective Of or relating chiefly to outward appearance; superficial.
• adjective Of or relating to foreign affairs or foreign countries.
• noun An exterior part or surface.
• noun Outer circumstances.
• noun Outward appearances.

from The Century Dictionary.

• Situated on or pertaining to the outside; located in a part of space not occupied by or within the thing referred to.
• Outer or outermost; specifically, in zoology, on the side furthest away from the body, from the median line, or from the center of a radially symmetrical form: as, the external side of an insect's leg; the external edge of the carapace; external border, etc.
• Being outside in any figurative sense; coming from or pertaining to the outside; not internal: as, external evidence; specifically, in metaphysics, forming part of or pertaining to the world of things or phenomena in space, considered as outside of the perceiving mind.
• Belonging to a thing in its relations with other things; extrinsic: as, external constraint.
• Outward; exterior; visible from the outside; hence, capable of being perceived; apparent.
• Pertaining to the surface merely; superficial: as, external culture.
• Foreign; relating to or connected with foreign nations: as, external trade or commerce; the external relations of a state or kingdom.
• noun An outward part; something pertaining to the exterior.
• noun An outward rite or ceremony; a visible form or symbol: as, the externals of religion.

from the GNU version of the Collaborative International Dictionary of English.

• adjective Outward; exterior; relating to the outside, as of a body; being without; acting from without; -- opposed to internal.
• adjective Outside of or separate from ourselves; (Metaph.) separate from the perceiving mind.
• adjective Outwardly perceptible; visible; physical or corporeal, as distinguished from mental or moral.
• adjective Not intrinsic nor essential; accidental; accompanying; superficial.
• adjective Foreign; relating to or connected with foreign nations
• adjective (Anat.) Away from the mesial plane of the body; lateral.
• adjective (Geom.) See under Angle.
• noun Something external or without; outward part; that which makes a show, rather than that which is intrinsic; visible form; -- usually in the plural.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective outside of something

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adjective happening or arising or located outside or beyond some limits or especially surface
• noun outward features
• adjective from or between other countries
• adjective purely outward or superficial
• adjective coming from the outside