clay disk (noun) clay pigeon: moving target for shooting
Sinonime: capricious,
contingent, dicey, erratic, fluctuant, fluky,
hazardous, iffy, incalculable,
precarious,
problematic, problematical, rocky,
speculative, ticklish,
touchy, tricky, uncertain, unpredictable, unsound, whimsical
Antonime: certain, not dangerous, safe,
secure, sure,
tried