1. precarious
Her health remained precarious, despite the treatment. a precarious mountain trail
a precarious situation
People smoke to relax and forget their cares, but ironically, in terms of health risks, smoking is far more precarious than either mountain-climbing or skydiving.
The museum is in a financially precarious position.
The world is a precarious place.
Your position is precarious
The lorry was lodged in a very precarious way, with its front wheels hanging over the cliff.