loose end Synonyms

unfinished business noncompletion minor unresolved difficulty minor unresolved problem unexplained detail unfinished detail unsettled detail recurring problem unaddressed problem unanswered problem unsettled problem unsettled question unsolved challenge bad point unclear part of a story something left hanging loose incomplete detail question tag rhetorical question biggest flaw unsolved problem incomplete story open question undecided issue job half-done unresolved problem work undone unresolved issue basic flaw