of or pertaining to the outside or outer part; outer

an external surface.

Medicine/Medical . to be applied to the outside of a body, as a remedy

for external use only.

situated or being outside something; acting or coming from without

external influences.

pertaining to the outward or visible appearance or show

external acts of worship.

pertaining to or concerned with foreign countries

external affairs; external commerce.

Zoology, Anatomy . on the side farthest from the body, the median line, or the center of a radially symmetrical form.

Metaphysics . of or pertaining to the world of things, considered as independent of the perceiving mind

external world.

the outside; outer surface; exterior.

something that is external.

externals, external features, circumstances, etc.; outward appearance; superficialities.

adverb

evidently , ostensibly , ostensively , outwardly , seemingly , superficially