on board

1 of 2

phrase

1
: aboard
2
: in support of a particular objective
needed to get more senators on board for the bill to pass

onboard

2 of 2

adjective

on·​board ˈȯn-ˈbȯrd How to pronounce onboard (audio)
ˈän-
: carried within or occurring aboard a vehicle (such as a satellite or an automobile)
an onboard computer
onboard recorders

Examples of on board in a Sentence

Adjective The car comes with an onboard computer.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
Contemporary art at sea On some vessels, contemporary art is central to the onboard experience. Jane Wooldridge, Miami Herald, 25 Dec. 2025 Widespread adoption will depend partly on EVs upgrading their onboard chargers, but more models—especially trucks and premium SUVs—are moving toward 11 to 22 kilowatt AC support. IEEE Spectrum, 23 Dec. 2025 An onboard emergency autoland system was activated. Sarah Horbacewicz, CBS News, 22 Dec. 2025 Considering the lack of infrastructure, especially for sourcing the onboard nuclear reactor, US shipping expert Sal Mercogliano said the Philly yard would most likely only handle part of the build. Brad Lendon, CNN Money, 21 Dec. 2025 See All Example Sentences for on board

Word History

First Known Use

Adjective

1958, in the meaning defined above

Time Traveler
The first known use of on board was in 1958

Browse Nearby Words

Cite this Entry

“On board.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on%20board. Accessed 1 Jan. 2026.

More from Merriam-Webster on on board

Last Updated: - Definition revised
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