un·​pi·​lot·​ed ˌən-ˈpī-lə-təd How to pronounce unpiloted (audio)
: having no pilot on board
an unpiloted aircraft/flight
They argue that the future belongs to unpiloted submersibles …David Malakoff

Examples of unpiloted in a Sentence

Recent Examples on the Web Then, Boeing ran into numerous technical issues, resulting in a major fuel leak during ground testing, an aborted unpiloted test flight to the space station in 2019, and further delays caused by valve corrosion. Stephen Clark, Ars Technica, 5 June 2024 The latest delay was a familiar setback for the hard-luck Starliner, which has suffered a steady stream of frustrating complications since an initial unpiloted test flight in 2019 was derailed by software problems and communications glitches. William Harwood, CBS News, 21 May 2024 During an initial unpiloted test flight in December 2019, a software error prevented the ship's flight computer from loading the correct launch time from its counterpart aboard the Atlas 5. William Harwood, CBS News, 7 May 2024 The second official launch, also unpiloted, came in May 2022 and was a success, Boeing said at the time, with the Starliner reaching and docking at the space station and safely returning and landing back on Earth. Leah Sarnoff, ABC News, 6 May 2024 Joby, one of the most advanced of the startups, provided a stark reminder of this fact when it was disclosed on 16 February that one of its unpiloted prototypes crashed during a test flight in a remote part of California. Glenn Zorpette, IEEE Spectrum, 22 Feb. 2022 While the leak used to be releasing about a pound of air each day, that rate increased to a little over two pounds a day in early February, roughly a week before the unpiloted Progress 87 cargo mission launched to the ISS on February 14 and docked on February 17. Will Sullivan, Smithsonian Magazine, 1 Mar. 2024 Blue Origin has launched 32 space tourists to date, including Bezos, along with multiple unpiloted cargo missions. William Harwood, CBS News, 26 Jan. 2024 Plan to send astronauts to the moon NASA launched the Artemis program's first test flight, Artemis 1, in November 2022, using the agency's powerful Space Launch System heavy lift rocket to send an unpiloted Orion crew capsule on a flight around the moon and back. William Harwood, CBS News, 9 Jan. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'unpiloted.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1641, in the meaning defined above

Time Traveler
The first known use of unpiloted was in 1641

Dictionary Entries Near unpiloted

Cite this Entry

“Unpiloted.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unpiloted. Accessed 18 Jul. 2024.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!