Synonyms For "Dangerous" :
1 syllable:
2 syllables:
breakneck, chanceful, chancy, dicey, dodgy, grievous, parlous, risky, severe, unsafe
3 syllables:
critical, desperate, hazardous, insecure, mordacious, perilous, serious, treacherous
4 syllables:
insidious, precarious, suicidal, vulnerable