unattended

[ uhn-uh-ten-did ]

/ ˌʌn əˈtɛn dɪd /

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.

Origin of unattended

First recorded in 1595–1605; un-¹ + attend + -ed²

The sweep team was leading the way when it came upon an unattended red car parked along the route.

The President and the Tow Truck Driver |Michael Daly |September 25, 2014 |DAILY BEAST
In the opening scene, a 10-year old Steven notices an unattended backpack in a train station.

In a New Novel, Apathetic Teenagers Usher in the Apocalypse |Elliot Ackerman |June 9, 2014 |DAILY BEAST
In the script, the cheetahs drift from their owner and roam suburban Mexico unattended.

The Best Scenes From Cormac McCarthy’s ‘The Counselor’ Screenplay |Thomas Flynn |October 27, 2013 |DAILY BEAST
It collects a growing quantity of intelligence, much of which goes forgotten and unattended.

Manning Is Guilty and So Is the Army That Sent Him Overseas |Brian Van Reet |August 22, 2013 |DAILY BEAST

In Washington, the police chief warned that unattended cars parked near critical buildings would be towed.

NYC on High Alert | |September 10, 2011 |DAILY BEAST
Not a hundred yards ahead of them two persons were riding slowly, unattended, very much occupied in themselves.

The Man From Brodney's |George Barr McCutcheon
The real man of sense will not fail to recognize most solicitously any lady who may seem neglected or unattended.

Beadle's Dime Book of Practical Etiquette for Ladies and Gentlemen |anonymous
They were faithful friends, who never permitted any one to visit us unattended by themselves, or some reliable person.

The Missing Link in Modern Spiritualism |A. Leah Underhill
Of such was the privilege to visit the neighboring town of Santa Clara unrestricted and unattended.

A Waif of the Plains |Bret Harte
Certain observations go to show that aphids, when visited by ants, extract more of the plant juices than when unattended.

Introduction to the Science of Sociology |Robert E. Park

unattended

/ (ˌʌnəˈtɛndɪd) /

not looked after or cared for

unaccompanied or alone

not listened to