abroad vs foreign

abroad and foreign both are adjectives.

Word	Noun	Adjective	Verb	Adverb
abroad	No	Yes	No	Yes
foreign	No	Yes	No	No

abroad (adjective)	foreign (adjective)
in a foreign country	relating to or originating in or characteristic of another place or part of the world
	of concern to or concerning the affairs of other nations (other than your own)
	not belonging to that in which it is contained; introduced from an outside source
	not contained in or deriving from the essential nature of something

abroad (adverb)	foreign (adverb)
to or in a foreign country
in a place across an ocean
far away from home or one's usual surroundings