American Dictionary

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Definition unmanned in American English

unmanned adjective

adjective
/ˌʌnˈmænd/
1

used for describing a building or machine that does not have any staff there to manage or operate it. Some people avoid using this word because they consider it offensive to women, and use unstaffed or uncrewed instead

Example

Many of the stations are unmanned in the evening.

Synonyms and related words
1.1

used for describing an aircraft without a pilot

Example

an unmanned space probe/spacecraft

Synonyms and related words
Definition unmanned in American English