[{"Bold_text": "noun", "List Items": ["a creature from outer space; extraterrestrial .", "Often Disparaging and Offensive.a resident of one country who was born in or owes allegiance to another country and has not acquired citizenship by naturalization in the country of residence ( citizen ). resident alien resident alien, illegal alien illegal alien.", "a foreigner.", "a person who has been estranged or excluded.", "a plant or animal species not originating where it is found but introduced, sometimes accidentally, from its native environment elsewhere:Imported plants, seeds, or bulbs may harbor unwanted aliens such as foreign insects or the seeds of other plants."]}, {"Bold_text": "adjective", "List Items": ["unlike one's own; strange; not belonging to one:In English class, our teacher treated all slang as alien speech.Synonyms: nonnative , incompatible , inimical , averse , antagonistic , foreign , unknown , unfamiliar , exotic", "residing under a government or in a country other than that of one's birth without having or obtaining the status of citizenship there.", "belonging or relating to noncitizens:Under certain conditions, seizure of alien property is authorized.", "opposed; adverse ; hostile (usually followed bytoorfrom):Their manifesto is full of ideas alien to modern thinking.", "extraterrestrial(def1) extraterrestrial(def1).", "(of a plant or animal species) not native; introduced from a different environment:The bullfrog is native to some Canadian provinces, but is an alien species in British Columbia."]}]