Alienly is a synonym of unfamiliarly.
As adverbs the difference between alienly and unfamiliarly
is that alienly is in an alien manner while unfamiliarly is in an unfamiliar manner.
alienly
English
Adverb
(-)
In an alien manner.
unfamiliarly
English
Synonyms
* alienly
* strangely
Antonyms
* familiarly