unfinished business noun2 •A matter that still has to be completed or dealt with, sometimes with an ominous or threatening implication.He gives the impression that it took time for him to come to terms with his feelings towards her, admitting that, “I'm sure we had some unfinished business”, […] — 2001 •One or more things that a person intended or was destined to do in life, and cannot escape the earthly realm even after death until completed.