alien


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alien

an organism, usually a plant, that is not native to the environment in which it occurs, and that is thought to have been introduced by man.
References in classic literature ?
Something alien had intruded into the old, perfect, school-day comradeship -- something that threatened to mar it.
The very improper power would still be retained by each State, of naturalizing aliens in every other State.
This man, as I have said, made head of the army by the Syracusans, soon found out that a mercenary soldiery, constituted like our Italian condottieri, was of no use; and it appearing to him that he could neither keep them not let them go, he had them all cut to pieces, and afterwards made war with his own forces and not with aliens.
In this way it came to pass that those scattered linen-weavers--emigrants from the town into the country--were to the last regarded as aliens by their rustic neighbours, and usually contracted the eccentric habits which belong to a state of loneliness.
Can aliens make treaties easier than friends can make laws?
Waring explained that he believes the alien species found on Mars are highly intelligent because they were able to create their own artwork and referred to the alien face as a very detailed sculpture created by the species. 
Out of a total 953 global extinctions, 300 of them went extinct partly due to alien species and out of that 300, 42 per cent or 126 extinctions were solely caused by alien species.
The 1951 Alien Registration Act requires all BI-registered aliens, who are holders of immigrant and non-immigrant visas, to make the annual report within the first 60 days of a calendar year.
Another big alien in the mix is religion, whose violent reach was seen when Interior Minister Ahsan Iqbal was shot in an assassination bid in Narowal.
Registered aliens will be required to present their Alien Certificate of Registration and a confirmation number issued via the Annual Report 2018 online system.
The third event occurred later that afternoon, after Border Patrol agents rescued one illegal alien in a ranch northwest of Laredo, Texas.