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
Norwegian Cruise Line and Royal Caribbean International offer plenty of onboard entertainment for families with children, from go-karts to skydiving and surf simulators. Lauren Dana Ellman, Travel + Leisure, 10 Jan. 2026 Each car comes with onboard staff and can be booked between any origin or destination on Amtrak’s rail network. Jessica Puckett, Condé Nast Traveler, 9 Jan. 2026 An onboard synthesizer manipulates a small set of core sounds to mimic everything from the roar of a jet plane to the flushing of a toilet through a little speaker in the Brick. New Atlas, 6 Jan. 2026 An onboard computer in a car will analyze inputs – from cameras and other sensors — break them down into steps and come up with solutions. Bloomberg, Mercury News, 6 Jan. 2026 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 14 Jan. 2026.

More from Merriam-Webster on on board

Last Updated: - Definition revised
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