unmanned

adjective

un·​manned ˌən-ˈmand 

1

see usage paragraph below : not carrying, staffed, or performed by people : not manned

an unmanned railroad crossing

unmanned spaceflight

2

of a hawk : not trained

Usage of Manned and Unmanned

While manned and unmanned are still commonly used in news sources to describe spaceflights, NASA has since the early 21st century used and prescribed non-gender-specific terms, preferring such descriptors as human, piloted, and crewed for the former, and unpiloted and uncrewed for the latter.

Examples of unmanned in a Sentence

Recent Examples on the Web

The Context At the end of March, Chinese authorities issued air operator certificates to two major players, EHang Holdings and Hefei Hey Airlines, granting them the ability to run unmanned passenger drones—autonomous aerial vehicles (AAVs)—in the country. —David Faris, MSNBC Newsweek, 11 Apr. 2025

In Mesquite, Texas, about 15 miles east of Dallas, Walmart customers can sign up to receive orders within 30 minutes, delivered on Zipline’s newest unmanned aerial vehicles, known as P2 Zips. —Lora Kolodny, CNBC, 8 Apr. 2025

Kim said unmanned control and AI capability must be the top priorities in modern arms development. —Michael Dorgan, FOXNews.com, 27 Mar. 2025

Since February 2022, using unmanned attack drones, Ukraine has successfully sunk or damaged Russian ships and whittled away at Russia’s Black sea fleet, sinking about 15 of its prewar fleet of about 36 warships and damaging many others. —Colin Flint, The Conversation, 25 Mar. 2025

Word History

First Known Use

1544, in the meaning defined at sense 1

Rhymes for unmanned

• ampersand
• beforehand
• behindhand
• bottomland
• contraband
• countermand
• dixieland
• fairyland
• fatherland
• firebrand
• hinterland
• motherland

Kids Definition

unmanned

adjective

un·​manned ˌən-ˈmand 

ˈən-

: having no crew aboard

an unmanned spacecraft