unmanned

adjective
un·​manned | \ˌən-ˈmand \

Definition of unmanned 

1 : not manned an unmanned spaceflight

2 of a hawk : not trained

Examples of unmanned in a Sentence

Recent Examples on the Web

The latest threat for the Pentagon to worry about: swarms of unmanned aerial vehicles designed to overwhelm their under-equipped target. Alexander George, Popular Mechanics, "Stopping Killer Drone Swarms Before They Kill Us," 5 July 2018 The unmanned spacecraft loaded with nearly three tons of supplies docked at the station in automatic mode less than four hours after the launch. Vladimir Isachenkov, The Seattle Times, "Russian cargo ship makes fastest-ever trip to space station," 10 July 2018 The unmanned spacecraft loaded with nearly three tons of supplies docked at the station in automatic mode less than four hours after the launch. Washington Post, "Russian cargo ship makes fastest-ever trip to space station," 10 July 2018 As such, all UAS owners must be registered with the FAA, and only those 13 years and older and a U.S. citizen are permitted to register an unmanned aircraft. Suzanne Baker, Naperville Sun, "Naperville Park District to open a drone flying park in October," 19 June 2018 Rather, Sabrewing's business model falls in-between: it is built on regional cargo deliveries with the company's large unmanned aircraft. Author: Elwood Brehmer, Anchorage Daily News, "Startup plans to revolutionize the air cargo industry, starting with Alaska," 15 June 2018 In some cases, suspected Chinese breaches appear to have resulted in copycat technologies, such as the drones China has produced that mimic U.S. unmanned aircraft. chicagotribune.com, "China hacked Navy contractor, secured trove of sensitive data on submarine warfare," 8 June 2018 The station will release the Cygnus a few weeks later, and a few thruster burns will put the unmanned spacecraft in a trajectory to burn up in the atmosphere on its way down. John Wenz, Popular Mechanics, "The Relaunch," 1 Dec. 2015 China has made strides in advanced missile systems as well as unmanned aerial vehicles. Alexander Benard, WSJ, "America Needs to Sell More Weapons," 1 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unmanned.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of unmanned

1544, in the meaning defined at sense 1

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Last Updated

21 Oct 2018

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The first known use of unmanned was in 1544

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More Definitions for unmanned

unmanned

adjective

English Language Learners Definition of unmanned

: not carrying or done by a person

More from Merriam-Webster on unmanned

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Spanish Central: Translation of unmanned

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