The phrase "unfriendly relationship" is correct and can be used in written English.
It describes a relationship between two people or groups that is not warm or amicable. Example: "The two neighbors had an unfriendly relationship, always avoiding each other and rarely exchanging more than a curt nod in passing."
Kathryn Schulz, writing in New York magazine, turned a review of the book into a meditation on our equivocal relationship to the newspaper-unfriendly word in the title.
Mr. Paterson testified that he provided "sort of neutral language" saying the relationship had "ended in an unfriendly way, but there's no current acrimony," and added that he was "clearly looking out for myself".
The present findings suggest the converse of this relationship: lack of variation may communicate unfriendly or aggressive intentions.
Now we are telegraphing sanctions which are the most business unfriendly thing you can do to a regime... the relationship has swung 180 degrees".
Despite some talk of a bigger role for private placements, this is not the best time to start forging relationships with new creditors if existing ones turn unfriendly.
They were, after all, the only potentially appealing relationship in a show that is all about ghastly marriages, unfriendly divorces, bad one-night stands and other examples of love gone awry.
"These are companies that in some ways have had the most vibrant relationship with the United States, and this would be seen as an unfriendly move towards them," said Neelam Deo, director of Gateway House, a research institution in Mumbai, and a former ambassador to Denmark and Côte d'Ivoire.
In the first season she named a college boyfriend, Ken Fuller, with whom she had an unsatisfactory relationship, also saying that they had joined the Mile high club (Unfriendly Skies).
See to it that your relationship is not devoid of humor lest you may gradually become unfriendly.
