Get cast adrift in boat (6)
I believe the answer is:
obtain
'get cast' is the definition.
'obtain' can be an answer for 'get' (synonyms). I am unsure of the 'cast' bit.
'adrift in boat' is the wordplay.
'adrift' is an anagram indicator.
'in'+'boat'='inboat'
'inboat' is an anagram of 'OBTAIN'.
Can you help me to learn more?
(Other definitions for obtain that I've seen before include "Get - secure" , "Come into possession of" , "Hold good" , "Get, procure" , "Gain possession of" .)