unmanned
Americanadjective
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without the physical presence of a person or people on board; uncrewed.
an unmanned spacecraft.
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Falconry. (of a captured hawk) untrained for hunting with a master; unmade.
adjective
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lacking personnel or crew
an unmanned ship
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(of aircraft, spacecraft, etc) operated by automatic or remote control
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uninhabited
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falconry (of a hawk or falcon) not yet trained to accept humans
Etymology
Origin of unmanned
First recorded in 1535–45; un- 1 ( def. ) + manned ( def. )
Explanation
Something that's unmanned doesn't have a driver, pilot, captain, or anyone else controlling or steering it. An unmanned space mission is launched without human passengers or crew. When a vehicle is unmanned, it's controlled from far away or by a robotic or autopilot system. Aerial vehicles like drones, surveillance planes, and spacecraft usually have cameras so that people on the ground can see what is happening nearby or beneath them. Other things are sometimes unmanned as well: "The reference desk was unmanned, so I couldn't ask my question."
Vocabulary lists containing unmanned
Tolkien Reading Day, List 9
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This Week in Words: Current Events Vocab for April 17–April 23, 2021
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"Going to the Moon"
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The Russian transport ministry later said unmanned boats had attacked the Liberian-flagged Aframax Rio oil tanker.
From BBC ● Oct. 7, 2026
The objects include unexploded ordnance, drones and other unmanned vehicles found washed ashore or floating at sea, it said.
From Barron's ● Oct. 5, 2026
Russia is also integrating versions of a similar technology into its Geran series unmanned aerial vehicles, which are based on Iran’s delta-wing Shaheed-136 attack drone.
From Salon ● Sep. 24, 2026
Governments are increasingly exploring the integration of artificial intelligence into defense, and the U.S. has flagged unmanned military systems as a top priority.
From The Wall Street Journal ● Sep. 14, 2026
We had crashed into it with our Banger unmanned spacecraft and even soft-landed a Surveyor spacecraft loaded with instruments.
From "Flying to the Moon: An Astronaut's Story" by Michael Collins
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Get a wordDefinitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
