Unmanned

/ʌnˈmænd/

Meaning & Definition

adjective
Not having a human crew; operated without human intervention.
The unmanned drone successfully completed its reconnaissance mission.
Lacking a human operator or personnel.
The unmanned spacecraft is designed to gather data from Mars.
Referring to vehicles or systems that operate automatically.
The company developed an unmanned vehicle for delivering packages.

Etymology

From 'un-' meaning not, and 'manned' which is the past participle of 'man.'

Common Phrases and Expressions

unmanned aerial vehicle
A drone or aircraft that operates without a human pilot aboard.
unmanned mission
A space or exploratory mission conducted without crewed personnel.

Related Words

drone
An aircraft or ship that can fly or move autonomously.
autonomous
Able to operate independently without human control.

Slang Meanings

A reference to situations without guidance or control.
It's like being in an unmanned car; you just go with the flow.
Describing something left to run on its own, chaotic.
That project is so unmanned right now, no one is leading it.