Definitions for unsafe
lacking in security or safety
"his fortune was increasingly insecure"; "an insecure future"
involving or causing danger or risk; liable to hurt or harm
"a dangerous criminal"; "a dangerous bridge"; "unemployment reached dangerous proportions"
not safe from attack
Kernerman English Learner's Dictionary
dangerous or risky
The area is considered by authorities to be unsafe.; unsafe blood transfusions
not safe; dangerous