Synonyms for External:

adj.

all (adjective)
extraneous, outside.
extraneous (adjective)
extraterrestrial, unessential, parenthetical, eerie, inapplicable, inappropriate, extraneous, outlandish, unaffiliated, irrelevant, detached, exotic, unrelated, extrinsic, separated, other, segregated, disconnected, immaterial, strange, outer, foreign, outside, foreign-born, disjoint, separate, dissociated, nonessential, removed, impertinent, estranged, inadmissible, disaffiliated, alien, Unallied.
objective (adjective)
peripheral, non-subjective, extrinsic, impartial, disinterested, surface, detached, objective, exterior, unbiased, outside, outer.
outside, extrinsic (adjective)
foreign, outward, superficial, exterior, alien, out, peripheral, extraneous, apparent, outer, visible, surface.
outward (adjective)
extrinsic, outer, exterior, outward, surface, objective, face, outside.

n.

anglo-saxon, continental, baltic, abroad, arctic, american, anglophone, anglo-american, coast-to-coast, bicoastal. ostensible, outdoors, out, apparent, ostensive, beyond, superficial, ming, the open air, out of doors. external (noun)
foreign, outer, extrinsic, extraneous, outward, international, exogenous, outside.
outer (noun)
obvious, open to the air, visible.

Other synonyms:

outdoors, ostensive, the open air, out of doors. ostensible, out. apparent, beyond. flimsy
superficial.
Other relevant words:
international, ostensive, outdoors, beyond, abroad, obvious, out, exogenous, apparent, ostensible, visible, superficial.

Usage examples for external

  1. If so, it matters little what becomes of the external experiments of our nation in later time. – Eugenics and Other Evils by G. K. Chesterton
  2. You do not know how desolate my soul is, how dark my mind; and all not because of my external fortune,- for I am really very well off so far as that is concerned,- but because of the inward wearing out of my feelings.... – The Life and Works of Friedrich Schiller by Calvin Thomas
  3. It would not be the highest good if any good were external to it, because it would then have to desire some good which itself had not. – The Best of the World's Classics, Restricted to Prose, Vol. VII (of X)--Continental Europe I by Various