Partial (3-5)
'partial' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for biased that I've seen before include "Not impartial" , "Having prejudice" , "Prejudiced or partisan" , "Having favourite" , "'One-sided, slanted (6)'" .)
'partial' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for one-sided that I've seen before include "Unfairly biased" , "So denied being partisan or unfair" , "Grossly unequal; biased" , "Unfair or partisan - single dimension?" , "Unequal like contest between badly matched opponents" .)
'partial' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for unfinished that I've seen before include "Not concluded" , "3 18 ... in B minor" , "rough" , "Schubert's Eighth, for example" .)