As yet
'as yet' is the definition.
(I know that as yet can be written as thus far)
This is all the clue.
'as yet' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for so far that I've seen before include "to a certain degree" , "To this point" , "Up until the present moment" , "till now" .)
'as yet' is the definition.
(thesaurus)
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" .)
(Other definitions for sofar that I've seen before include "'Heretofore (2,3)'" , "Up until the present moment" , "'Up to this time (2,3)'" , "Up till now" , "To this point" .)