Risky, insecure (6)
I believe the answer is:
unsafe
This clue is a double definition.
'risky' is the first definition.
(similar in meaning)
'insecure' is the second definition.
(synonyms)
(Other definitions for unsafe that I've seen before include "Dangerous - legally without basis" , "Unreliable" , "Hazardous" , "Perilous" , "Precarious" .)