precarious
uncertain, risky, or dependent on chance
Root
- prex / prayer: prayer, asking, favor, or entreaty
Other words with the prex / prayer root
Precarious things depend on favor, luck, or conditions outside your control.
The bridge felt precarious after three days of rain.
Prayer keeps the asking-for-favor root visible. Precarious once pointed toward holding something by another's favor; now it means unstable, risky, or not secure.