Afraid of current, next to river keeping dry (8)
I believe the answer is:
insecure
'afraid' is the definition.
(similar in meaning)
'current next to river keeping dry' is the wordplay.
'current' becomes 'in' ('in' can mean current or trendy).
'next to' is a charade indicator (letters next to each other).
'river keeping' becomes 'ure' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'dry' becomes 'sec' (similar in meaning).
'ure' after 'sec' is 'secure'.
'in'+'secure'='INSECURE'
'of' is the link.
Can you help me to learn more?
(Other definitions for insecure that I've seen before include "Dangerous" , "Sinecure arranged for the nervous" , "Fearful, unsafe." , "Timid" , "Anxious - feeling unsupported" .)