To present participles which come from intransitive verbs, or are themselves employed as adjectives, to mark the absence of the activity, disposition, or condition implied by the participle;
Not set off, as a share in a firm; not made actually separate by division; as, a partner, owning one half in a firm, is said to own an undivided half so long as the business continues and his share is not set off to him.
not divided among or brought to bear on more than one object or objective; "judging a contest with a single eye"; "a single devotion to duty"; "undivided affection"; "gained their exclusive attention"