The Oxford Thesaurus An A-Z Dictionary of Synonyms - foreign adj.

1) alien, imported, non-native; overseas, distant, tramontane, transalpine, transatlantic, transpacific: Duty is payable on foreign goods. We holiday in a different foreign country each year. 2) strange, outlandish, exotic, unfamiliar, peculiar, odd, curious: She regards anything except beans and toast as foreign food. 3) unknown, unfamiliar, strange, inappropriate, unrelated, unconnected, unassimilable, remote, extrinsic, extraneous: Their philosophy is completely foreign to my way of thinking.