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unmanned

unmanned

42 5.1
Operates without a person on board
  • adjective
  • /ʌnˈmænd/
  • Specialized
: no tripulado
  • This is the US Navy's new unmanned ship designed to hunt submarines and launch surface weapons.
  • unmanned vehicle
  • unmanned aerial vehicle
  • unmanned aircraft

And they were like, well, this, this, this big white balloon, it was unmanned.

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Examples

  • Any decision to integrate unmanned aerial vehicles into national airspace will lie with the FAA.

    Academic text (2003)
  • On 20 April 1967, the unmanned spacecraft Surveyor 3 landed on the surface of the Moon.

    Academic text (2000)
  • But to be completely honest, at this point, we are not allowed to use unmanned aircraft.

  • And here are some small unmanned space vehicles coming down from the top of the Royal Institution.

  • Did you say that was an unmanned drone?

  • For the second time in two weeks, the U.S. has lost an unmanned supply plane over Iraq.

  • Also, have there been any unmanned missions to collect more samples?

  • The military was the initial customer for unmanned aerial vehicles, beginning with target drones in the early 1900s.

    Academic text (2011)
  • Vehicles being planned at the Air Force Research Laboratory include unmanned planes for surveillance and reconnaissance.

    Academic text (2003)
  • The military recently deployed an unmanned aerial vehicle for reconnaissance missions.

Synonyms

automated
vsunmanned
102 4.0

Machines or computers run a system instead of people

describes operation without any person or crew on board rather than only machine control
pilotless
vsunmanned
  • Specialized
2 6.5

A vehicle with no person on board to control it, like a plane or spaceship

applies more generally to devices and vehicles operated without any person or crew
crewless
vsunmanned
1 6.0

Having no people on board to operate a ship or plane

is used more widely for devices and aircraft as well as vehicles
driverless
vsunmanned
1 4.4

A group or project that has no leader to give direction

is used for operation without any person or crew onboard, not only missing a controller
manless
vsunmanned
  • Specialized
6.1

Working without people on board and controlled from far away

covers vehicles, aircraft, and devices rather than only vehicles or stations

Antonyms

33 3.8

With people on board to operate it

How Manned

manned
33 3.8
semi-automated
  • Specialized
1 4.1
unmanned
  • Specialized
42 5.1

Surface Forms

unmanned positive

Morphology

unmanned = manned (transparent) = un + man + ed

The negative prefix 'un-' added to 'manned' ('having a crew') yields the straightforward meaning 'not crewed'.

Etymology

Unmanned is made from un- 'not' and man 'person', so it means 'not with a person'. Today we use it for vehicles or devices, like drones or space probes, that work without anyone on board.