Up to this point (3)
(Other definitions for so far that I've seen before include "To this point" , "Up until the present moment" , "till now" , "to a certain degree" .)
'up to this point' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for thus far that I've seen before include "'Up to now (4,3)'" , "Up to this point" .)
'up to this point' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for yet that I've seen before include "Though; still" , "Thus far" , "To this time, nevertheless" , "Still; however" , "Still, even" .)
'up to this point' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for sofar that I've seen before include "Up till now" , "'Heretofore (2,3)'" , "Up until the present moment" , "To this point" , "'Up to this time (2,3)'" .)