Synonyms of unmannednext
1
see usage paragraph below : not carrying, staffed, or performed by people : not manned
an unmanned railroad crossing
unmanned spaceflight
2
of a hawk : not trained
Usage of Manned and Unmanned

While manned and unmanned are still commonly used in news sources to describe spaceflights with and without human crews, respectively, NASA has since the early 21st century used and prescribed gender-neutral terms, preferring such descriptors as human, piloted, and crewed for the former, and unpiloted and uncrewed for the latter.

unmanned

2 of 2

past tense and past participle of unman

Examples of unmanned 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.
Adjective
Drone swarms were used to provide targeting information to ground units, while tactical UAVs, armed helicopters and unmanned ground vehicles coordinated attacks against simulated targets. — Bojan Stojkovski, Interesting Engineering, 4 Oct. 2026 Ukrainian forces were then able to deploy their own drones to drop unmanned ground vehicles behind enemy lines to attack the Russian troops from behind, Bolder said, without endangering their own personnel. — Sam Meredith, CNBC, 4 Oct. 2026 An unmanned Sceye airship flew from New Mexico to Japan and back, beaming mobile cell service to ordinary phones from the stratosphere. — New Atlas, 3 Oct. 2026 Capturing all the action in 360 degrees to project the band onto the screens, an unmanned camera traveled around the stage on a track. — Melinda Sheckells, HollywoodReporter, 2 Oct. 2026 See All Example Sentences for unmanned

Word History

First Known Use

Adjective

1544, in the meaning defined at sense 1

Time Traveler
The first known use of unmanned was in 1544

Browse Nearby Words

Cite this Entry

“Unmanned.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unmanned. Accessed 9 Oct. 2026.

Kids Definition

unmanned

adjective
: having no crew aboard
an unmanned spacecraft

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