aboard

1 of 2

adverb or adjective

1
2
a
: on, onto, or within a vehicle (such as a car or ship)
b
: in or into a group, association, or organization
her second promotion since coming aboard
3
baseball : on base

aboard

2 of 2

preposition

: on, onto, within
—usually used with reference to vehicles
go aboard ship
aboard a plane

Examples of aboard in a Sentence

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.
Adverb or adjective
Ronald Reagan can have approximately 5,000 sailors aboard when deployed. — Prabhat Ranjan Mishra, Interesting Engineering, 18 Sep. 2026 ZDFneo is now aboard in association with the series from Baby Reindeer maker Clerkenwell Films and Amanda Coe, which stars Squires and Powley as the titular characters. — Max Goldbart, Deadline, 18 Sep. 2026
Preposition
Those lucky enough to make it aboard became a test audience for two brand comebacks, each fiercely looking to win over a younger generation before betting on a much bigger, more calculated swing. — Antonio Ferme, Variety, 19 Sep. 2026 The judge approved the prosecutor’s request to hold Parchman pending trial and issued an order preserving video taken aboard the train. — Allison Kiehl, Chicago Tribune, 19 Sep. 2026 See All Example Sentences for aboard

Word History

Etymology

Adverb or adjective

Middle English abord, probably in part borrowed from Middle French a bord, a bort "on board," in part from Middle English a- a- entry 1 + bord "board, side of a ship" — more at board entry 1

Preposition

Middle English abord, derivative of abord aboard entry 1

First Known Use

Adverb Or Adjective

14th century, in the meaning defined at sense 1

Preposition

15th century, in the meaning defined above

Time Traveler
The first known use of aboard was in the 14th century

Browse Nearby Words

Cite this Entry

“Aboard.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aboard. Accessed 26 Sep. 2026.

Kids Definition

aboard

1 of 2 adverb
: on, onto, or within a vehicle (as a car, ship, or airplane)

aboard

2 of 2 preposition
: on or into especially as a passenger
go aboard ship
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