n.
1) adverse, difficult, trying circumstances
2) reduced, straitened circumstances
3) aggravating; extenuating, mitigating circumstances
4) attendant; compelling; exceptional, special; favorable; suspicious; tragic; unavoidable; unforeseen circumstances
5) a combination of circumstances
6) due to circumstances (our absence was due to circumstances beyond our control)
7) in, under circumstances (in certain circumstances, I would agree; she will not go under any circumstances; they lived in difficult circumstances)