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