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, NASA has since the early 21st century used and prescribed non-gender-specific terms, preferring such descriptors as human, piloted, and crewed for the former, and unpiloted and uncrewed for the latter.
Examples of unmanned in a Sentence
Recent Examples on the Web
Kyiv The report, posted to the Ministry of Defense of Ukraine's official X, formerly Twitter page, also said that six tanks, 72 unmanned aerial vehicles (UAVs), and 114 vehicles were destroyed within the same time frame.
—
Dan Perry, Newsweek, 26 Nov. 2024
Poland is also closely studying the use of AI on Ukrainian battlefields, including geospatial intelligence solutions, unmanned systems, and cyber warfare, seeking to draw lessons to safeguard its security and counter Russian hybrid attacks.
—Lidia Kurasinska, Forbes, 26 Nov. 2024
Russia launched approximately 188 drones into Ukraine on Monday night — the single largest swarm of unmanned aerial vehicles deployed in the conflict.
—Timothy Nerozzi, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 26 Nov. 2024
Forty-nine cases during the reporting period were resolved during the reporting period as objects such as balloons, birds and unmanned aerial systems.
—Marlene Lenthang, NBC News, 15 Nov. 2024
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Dan Perry, Newsweek, 26 Nov. 2024
Poland is also closely studying the use of AI on Ukrainian battlefields, including geospatial intelligence solutions, unmanned systems, and cyber warfare, seeking to draw lessons to safeguard its security and counter Russian hybrid attacks.
—Lidia Kurasinska, Forbes, 26 Nov. 2024
Russia launched approximately 188 drones into Ukraine on Monday night — the single largest swarm of unmanned aerial vehicles deployed in the conflict.
—Timothy Nerozzi, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 26 Nov. 2024
Forty-nine cases during the reporting period were resolved during the reporting period as objects such as balloons, birds and unmanned aerial systems.
—Marlene Lenthang, NBC News, 15 Nov. 2024
See all Example Sentences for unmanned
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Dictionary Entries Near unmanned
Cite this Entry
“Unmanned.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unmanned. Accessed 1 Dec. 2024.
Copy CitationKids Definition
unmanned
adjective
un·manned
ˌən-ˈmand 
ˈən-
: having no crew aboard
an unmanned spacecraft
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