without attendance; lacking an audience, spectators, etc.: an unattended meeting.
not accompanied; not associated with, as a concomitant effect or result: a flash of lightning unattended by thunder.
not cared for or ministered to: unattended patients; an unattended injury.
not taken in charge; not watched over: an unattended switchboard.
not accompanied, as by an attendant or companion; alone: The queen was unattended.
unheeded; not listened to; disregarded: unattended warning signals.
not tended to; not done or carried out, as a task (usually followed by to ): He left his studies unattended to.