alien
adjective \ˈā-lē-ən, ˈāl-yən\
: not familiar or like other things you have known : different from what you are used to

Edit:

As you can see, there is no allusion to humanoid features implicit in the meaning of the term alien.

alien
adjective \ˈā-lē-ən, ˈāl-yən\
: not familiar or like other things you have known : different from what you are used to

Edit:

As you can see, there is no allusion to humanoid features implicit in the meaning of the term alien.