Foreign
Part of speech: adjective
Definition: From a different country. Belonging to a different culture. Of an object, etc, in a place where it does not belong. From a different one of the states of the United States, as of a state of residence or incorporation.
Example sentence: Domestic policy can only defeat us; foreign policy can kill us.
Adulterant
Part of speech: noun
Definition: That which adulterates; or reduces the purity of.