Meanings of hothouse atmosphere in English

It was a hothouse atmosphere in the library of the RDS.

But the hothouse atmosphere of "The Shrine of the Muses!"

That soon wither in the hothouse atmosphere.

Certainly it was agreeable, this hothouse atmosphere.

If a week is a long time in politics, it can be even longer in the hothouse atmosphere of international negotiations.

Throw them together in a hothouse atmosphere for 14 days of talks, lectures, walking tours and workshops in Dublin and Connemara.

Other details: He moved his offices to Milan to as to put distance between himself and the hothouse atmosphere of Italian politics.

I'm not proud of it, but if pushed, particularly in the hothouse atmosphere of a kitchen, I can swear like a sailor.

He remembered when he'd first started there, trying to explain to his mother what it was like, the hothouse atmosphere full of privileged overachievers.