"unfriendly atmosphere" is correct and usable in written English.
You can use it to describe a situation in which there is an uncomfortable feeling among the people involved, such as a hostile gathering or unpleasant business meeting. For example: At the shareholders' meeting, the unfriendly atmosphere made it difficult to have constructive conversations.
"The problem is that we're all competing for so few roles, and the competitiveness creates an unfriendly atmosphere".
That unfriendly atmosphere made a strange backdrop for the other big announcement of the day: that the Islanders are moving to Brooklyn.
It was not an honest attempt to heal, as lawmakers who supported it argued, they said, but a political statement issued to prove a point, which creates a highly charged, unfriendly atmosphere.
After Proposition 209 passed in 1996 and racial or ethnic preferences in UC's admissions process were forbidden, Henkin remained optimistic, even when talented disadvantaged high schoolers turned down admission to UC because of an alleged unfriendly atmosphere, said Caroline Kane, head of the coalition.
Reese blamed hassles with the police and a generally unfriendly atmosphere for the departure.
Chaitow added that while most civic centers can have an unfriendly atmosphere, the Newport facility is aimed at welcoming residents.
The plan to limit card fees, championed by Senator Richard J. Durbin, Democrat of Illinois, offered a particularly pointed example of how unfriendly the atmosphere on Capitol Hill has become for banks and their lobbyists this year.
She said so herself in an essay published in The New York Times Magazine in 2000, lamenting what she called an "increasingly unfriendly neighborhood atmosphere" and complaining about town regulations that hindered her business.
But now that the Senate has moved its schedule for tackling climate legislation from this fall to next spring, advocates like Profeta face an increasingly unfriendly political atmosphere.
Foreign journalists were "already facing an unfriendly working atmosphere which does not fit with a democratic state," added Mus.
I have considered it an elitist sport, often played in an atmosphere unfriendly to outsiders.
