Xenophobic
/ˌzɛnəˈfoʊbɪk/ adjective mediumMarked by fear, distrust, or hostility toward people from other countries or cultures.
The editorial criticized the policy as xenophobic, noting it targeted immigrants without any evidence of wrongdoing.
Memory Trick
Xenophobic combines Greek 'xenos' (stranger) with 'phobos' (fear) -- the same 'xeno' root that names the element xenon, a rare gas whose name literally means 'the stranger.'