Synonyms for Dangerous:
ominous, insecure, menacing, hairy, hazardous, threatening, risky, precarious, perilous, Jeopardous, treacherous, unsafe.
•hazardous, troubling (adjective)
malignant, treacherous, shaky, threatening, chancy, serious, fatal, unstable, bad, unsafe, menacing, exposed, parlous, insecure, deadly, mortal, impending, impregnable, Jeopardous, ticklish, hot, perilous, risky, touchy, touch-and-go, vulnerable, nasty, precarious, delicate, unhealthy, speculative, critical, hairy, alarming, thorny, breakneck, portentous, ugly.
n.rocky, unstable, unsteady, delicate, sure, thorny, ticklish, speculative, endangered, safe, unprotected, hairy, rickety, exposed, touchy, disastrous, portentous, unsheltered, hot, alarming, vulnerable, slippery, uncertain, bad, shaky, ruinous, unhealthy. innocent, beneficial, fatal, explosive, imminent, malignant, impregnable, helpful, nasty, armed, impending, deadly, mortal, ugly. safety, adventurous. help. •dangerous (noun)
grave, insidious, critical, grievous, kamikaxe, treacherous, parlous, hazardous, harmful, breakneck, precarious, dodgy, suicidal, self-destructive, unsafe, chanceful, risky, unreliable, touch-and-go, desperate, chancy, venturous, serious, dicey, perilous, severe, on the hook, venturesome.
deadly, ruinous, disastrous. delicate, speculative, nasty. adventurous, mortal, fatal. hot. •eruptive
•Other relevant words:
self-destructive, malignant, mortal, impregnable, harmful, vulnerable, slippery, desperate, ugly, explosive, venturesome, grievous, thorny, insidious, severe, disastrous, breakneck, unstable, unreliable, critical, on the hook, fatal, shaky, endangered, dodgy, impending, hairy, grave, ticklish, nasty, exposed, serious, unsteady, unhealthy, touchy, portentous, adventurous, suicidal, alarming, venturous, touch-and-go, unprotected, hot, parlous, deadly, chanceful, rickety, delicate, bad, kamikaxe, speculative, safe, dicey, chancy, ruinous, uncertain.