Pronunciation: (un"u-ten'did),[key] —adj. 1. without attendance; lacking an audience, spectators, etc.: an unattended meeting. 2. not accompanied; not associated with, as a concomitant effect or result: a flash of lightning unattended by thunder. 3. not cared for or ministered to: unattended patients; an unattended injury. 4. not taken in charge; not watched over: an unattended switchboard. 5. not accompanied, as by an attendant or companion; alone: The queen was unattended. 6. unheeded; not listened to; disregarded: unattended warning signals. 7. not tended to; not done or carried out, as a task (usually fol. by to): He left his studies unattended to.