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.
It has "likely fielded a fully autonomous unmanned system in combat", according to an April 2026 report by Kateryna Bondar, an expert with the Center for Strategic and International Studies.
From Barron's • May 15, 2026
The Greek military is examining a mysterious unmanned naval drone spotted in the Ionian Sea by local fishermen.
From BBC • May 8, 2026
US Central Command said on X that its forces would begin supporting Project Freedom with guided-missile destroyers, over 100 land and sea-based aircraft, multi-domain unmanned platforms and 15,000 service members.
From Barron's • May 4, 2026
The Ukrainian military has been burning through roughly 10,000 unmanned aircraft every month for more than a year.
From The Wall Street Journal • May 3, 2026
The boatswain, unmanned for the first time, respectfully dried his eyes on the Jack, and then cheering up, and addressing Mr. Wopsle as Your Honour, solicited permission to take him by the fin.
From "Great Expectations" by Charles Dickens
Definitions 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.
