external

The definition of external refers to something or someone that is outside or the outside walls of a space or something that is applied outside.

(adjective)

An example of external is a tornado or some other force that can destroy your house from the outside.
An example of external is the wall on the very back of your home directly next to the back yard.
An example of external is a medicine that you apply on top of your skin instead of taking a pill.

See external in Webster's New World College Dictionary

adjective

on or having to do with the outside; outer; exterior
on, or for use on, the outside of the body: a machine for external use only
1. outwardly visible
2. existing apart from the mind; material: external reality
originating outside; acting or coming from without: an external force
1. for outward appearance or show; superficial: external politeness
2. not basic or essential: external factors
having to do with foreign countries and international affairs

Origin: ME < L externus, outward, external < exter, exterus, on the outside, compar. form < ex, out of (see ex-) + -al

noun

Related Forms:

See external in American Heritage Dictionary 4

adjective

Relating to, existing on, or connected with the outside or an outer part; exterior.
Suitable for application to the outside: external paints.
Existing independently of the mind.
Acting or coming from the outside: external pressures.
Of or relating chiefly to outward appearance; superficial: “An internal sense of righteousness dwindles into an external concern for reputation” (A.R. Gurney, Jr.)
Of or relating to foreign affairs or foreign countries: the country's minister of external affairs.

noun