Yes it is
Unfriendly behavior can be described as cold, distant, and unwelcoming. It may involve a lack of warmth, openness, or consideration towards others.
(Effusive - with open or emotional intensity) "The professor was effusive in his praise of the new chancellor."
the cold war was not exactly a war but it was between the United States and Russia.
Cold War.
The adjective form is effusive (an effusive welcome).
The word unfriendly is an adjective. It means to not be friendly.
No, because the word effusive is an adjective, not a verb.
A "Hostile" is a unfriendly person.
The unfriendly store clerk refused to help me find what I was looking for.
Antonyms for the word friendly: aloof, antagonistic, cold, cool, incompatible, unfriendly, unreceptive, unsociable
The girl was unfriendly so she had no friends
The root word of unfriendly is "friendly."