Soak thoroughly (8)
'soak thoroughly' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for drench that I've seen before include "Swamp" , "draught?" , "Steep, soak" , "Soak, douse" , "Soak, souse" .)
'soak thoroughly' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for saturate that I've seen before include "Soak completely" , "flood" , "Make thoroughly wet, soak" , "Oversupply" , "steep" .)