onboard

1 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

on board

2 of 2

phrase

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

Examples of onboard 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
Perseverance saw massive improvements made to everything from its specialty wheels to its autonomous driving system and onboard tools and instruments. — Chelsea Gohd, Space.com, 13 Oct. 2026 The onboard experience Boarding begins at Platform 2, where Etihad Rail staff guide passengers to the correct carriages. — Sophia Dyer, Condé Nast Traveler, 12 Oct. 2026
Phrase
On Sunday, Wahlberg — who had just performed with New Kids on the Block during the final show of the band’s Las Vegas residency — took to social media to recount the incident and thank the pilots and God for keeping everyone on board safe. — Christina Dugan Ramirez, FOXNews.com, 19 Oct. 2026 Snell, who studied historical dress at university, brought a dress historian on board for three weeks of research. — Mya Copeland, Variety, 17 Oct. 2026 See All Example Sentences for onboard

Word History

First Known Use

Adjective

1958, in the meaning defined above

Time Traveler
The first known use of onboard was in 1958

Rhymes for onboard

See All Rhymes for onboard

Browse Nearby Words

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onboard
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Cite this Entry

“Onboard.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/onboard. Accessed 20 Oct. 2026.

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