unattended

adjective

un·​at·​tend·​ed ˌən-ə-ˈten-dəd 

: not attended : not watched or looked after : lacking a guard, escort, caretaker, etc.

an unattended parking lot

a fire left unattended

unattended children

unattended luggage

Examples of unattended in a Sentence

Recent Examples on the Web

Dogs can’t be left unattended in the room or anywhere on the property. —Condé Nast, Condé Nast Traveler, 17 Apr. 2026

How to clean a humidifier using hydrogen peroxide When left unattended for too long, the water reserve of humidifiers is essentially stagnant water, which is essentially a party for breeding bacteria, mold, and biofilms. —Terri Williams, Architectural Digest, 16 Apr. 2026

Patterson is then accused of stealing a nearby pickup truck that had been left running and unattended and driving to Cobb County. —Dan Raby, CBS News, 16 Apr. 2026

Lusine waved us into an unattended shack, sheltered by tarp walls housing half-a-dozen of these works in progress. —Marlise Kast-Myers, Boston Herald, 12 Apr. 2026

Word History

First Known Use

1603, in the meaning defined above

Rhymes for unattended

• apprehended
• comprehended
• condescended
• recommended
• resuspended
• unamended
• undefended
• undescended
• unexpended
• unintended
• amended
• appended