Definition of foreign :
1. Held at a distance; excluded; exiled.
2. Not native or belonging to a certain country; born in or belonging to another country, nation, sovereignty, or locality; as, a foreign language; foreign fruits.
3. Outside; extraneous; separated; alien; as, a foreign country; a foreign government.
4. Remote; distant; strange; not belonging; not connected; not pertaining or pertient; not appropriate; not harmonious; not agreeable; not congenial; - with to or from; as, foreign to the purpose; foreign to one's nature.
naturalized, opposed, incongruous, adventive, antibody, unsuitable, contagion, carrier, adventitious, inaccessible, unreal, contradictory, faraway, supervenient, tramontane, overseas, unconnected, unknown, established, picturesque, orthogonal, far, antipodal, far-off, heterogeneous, borrowed, eccentric, unnaturalized, distant, multinational, accidental, barbaric, contrary, transnational, unusual, unaccustomed, defense, edgy, cross-contamination, nonresident, hostile, unfamiliar, candida, unnaturalised, adulterant, funny, surreal, international, idiosyncratic, fester, local, weird, defense mechanism, imported, contrasted, domestic, unlike, different, abroad, biosecurity, barbarian, foreigner, gaijin, nonnative, expatriate, national, conflicting, immigrant, native, cross-infection, adulterating
extraneous (part of speech: adjective)
extrinsic, inappropriate, inadmissible, outer, extraneous, dissociated, nonessential, estranged, eerie, separated, foreign-born, extraterrestrial, disconnected, outlandish, strange, unaffiliated, immaterial, other, alien, impertinent, detached, parenthetical, outside, removed, segregated, inapplicable, separate, exotic, unessential, unallied, disjoint, external, irrelevant, unrelated, disaffiliated
unrelated (part of speech: adjective)
- Not once did my thoughts wander away to foreign places, while I now tried to consider calmly in what direction I should depart when I left London. - "Basil", Wilkie Collins.
- Pride was foreign to his nature. - "Stonewall Jackson And The American Civil War", G. F. R. Henderson.
- I thought I might perhaps find you at the Foreign Office. - "Lady Rose's Daughter", Mrs. Humphry Ward.