perilous Synonyms

parlous touch-and-go precarious unreliable unchancy uncertain ugly tricky unsafe treacherous touchy tottery ticklish unsound unstable vulnerable unpredictable iffy dicey chancy defenceless life-threatening dodgy high-risk unprotected unhealthy wicked threatening shaky grave exposed explosive endangered dire difficult delicate dangerous danger critical awkward hairy harmful serious scary risky periculous ominous nocuous menacing jeopardous