- 2Significato: dangeroushazardous critical precariousrisky ticklish perilous
- 3Significato: trickyprecarious ticklish risky hazardousdelicate chancy unstable touchy
- 4Significato: extremely uncertainrisky tricky precarious dangerousdubious hazardous touch-and-go
- 5Significato: uncertainrisky unsure insecure