unsafe
adjective
1. lacking in security or safety
Similar word(s): unprotected, dangerous, unsafe, precarious, shaky, unguaranteed, unsecured, vulnerable, insecure
2. involving or causing danger or risk; liable to hurt or harm
Similar word(s): breakneck, chanceful, chancy, dicey, dodgy, desperate, hazardous, risky, wild, insidious, mordacious, parlous, perilous, precarious, suicidal, treacherous, unreliable, insecure, unsafe, vulnerable, dangerous
3. not safe from attack
Similar word(s): vulnerable, insecure