unattended

adjective

un·​at·​tend·​ed ˌən-ə-ˈten-dəd How to pronounce unattended (audio)
Synonyms of unattendednext
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The reactor has not yet demonstrated the full-power endurance or unattended operation targeted in the program. — Neetika Walter, Interesting Engineering, 30 Oct. 2026 The man behind the wheel wasn’t a thief, but a Baltimore County Police detective demonstrating how quickly an unattended vehicle can disappear while its driver runs a simple errand. — Jessica Baugh, Baltimore Sun, 29 Oct. 2026 Cantrell has a history of unattended or undisclosed pregnancy and childbirth and was close to delivering, according to the relative’s account, described in a police record. — Emerson Clarridge, Fort Worth Star-Telegram, 20 Oct. 2026 That decade’s fully automatic machines could be left unattended to rinse, spin, and drain. — Matthew Wills, JSTOR Daily, 19 Oct. 2026 See All Example Sentences for unattended

Word History

First Known Use

1603, in the meaning defined above

Time Traveler
The first known use of unattended was in 1603

Rhymes for unattended

See All Rhymes for unattended

Browse Nearby Words

unattempted
unattended
unattentive
See all Nearby Words

Cite this Entry

“Unattended.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unattended. Accessed 1 Nov. 2026.

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