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
Here’s everything to know about riding Amtrak’s Pennsylvanian train, from route highlights and onboard amenities to the best seats for soaking in the ever-changing landscape. Abby Price, Travel + Leisure, 1 Feb. 2026 New onboard tech means the yacht uses 30 percent less energy than other vessels of the same size, too. Rachel Cormack, Robb Report, 30 Jan. 2026 By dividing tactical decisions between an onboard AI and a human supervisor, SwarmMaster aims to prevent operator overload, which can limit the effectiveness of traditional multi-drone missions. Atharva Gosavi, Interesting Engineering, 28 Jan. 2026 As the cruise line prepares to introduce the massive MSC World Atlantic to Port Canaveral next year, the company will have to continue enhancing the onboard experience to entice new passengers and retain others. Patrick Connolly, The Orlando Sentinel, 27 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 5 Feb. 2026.

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