Dangerous (6)
'dangerous' is the definition.
(associated in meaning)
This is all the clue.
(Other definitions for unsafe that I've seen before include "Not reliable, dangerous - perhaps a legal conviction" , "Perilous" , "giving no protection" , "Risky - inadequately evidenced" , "Dangerous, insecure" .)
'dangerous' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for risky that I've seen before include "Treacherous" , "Having possibility of danger or loss" , "Chancy" , "Perilous" , "too adventurous" .)
'dangerous' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for hazardous that I've seen before include "Very risky, dangerous" , "Perilous" , "Carrying risk, dangerous" , "Involving risk or danger" , "Unsafe" .)