: 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
Three-stage response to drone attacks SCILT NAVAL combines its detection equipment and effectors in one onboard system. Atharva Gosavi, Interesting Engineering, 4 Sep. 2026 According to Optimal Transit, an onboard plant would generate up to 40 MW of continuous electricity, which would be sent ashore, enough to power roughly 32,000 homes 24/7. New Atlas, 4 Sep. 2026
Phrase
Drivers appear to largely be on board, and fans have responded as well, even though many advocated for eliminating the end-of-season spotlight entirely in favor of a Premier League-style yearlong title race. Jacob Feldman, Sportico.com, 5 Sep. 2026 Poetry on board On a visit to one of the boat schools this summer, 27 students sat on benches and recited Bangla poetry with their teacher. Ali Asif Shawon, NPR, 5 Sep. 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

Browse Nearby Words

Cite this Entry

“Onboard.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/onboard. Accessed 7 Sep. 2026.

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