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.
Phrase
Simultaneously, an Irish Air Corps C-295 aircraft will perform a similar flight, with scientists on board from the European Space Agency and Dublin Institute for Advanced Studies imaging the sun’s corona using a spare part an ESA space mission. — Jamie Carter, Forbes.com, 1 Aug. 2026 The tanker has been grounded off the Dhofar coast since June, according to two shipping and maritime news outlets, who reported that the crew reported an explosion on board at the time. — ABC News, 1 Aug. 2026
Adjective
The airline said the addition builds on its growing lineup of onboard sports offerings, including live television, game streaming and sports news available through Delta Sync. — Christopher Harris, CBS News, 31 July 2026 Large windows also allow the rivers themselves to become part of the onboard environment. — Rachel Cormack, Robb Report, 31 July 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

Rhymes for on board

See All Rhymes for on board

Browse Nearby Words

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Cite this Entry

“On board.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/on%20board. Accessed 6 Aug. 2026.

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More from Merriam-Webster on on board

Nglish: Translation of on board for Spanish Speakers

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