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
Newly released 911 calls show the chaos and confusion after a Learjet crashed onto a street in the city of Greenacres in Palm Beach County on Sunday, killing all nine people aboard. — Chelsea Jones, CBS News, 7 Nov. 2026 Federal investigators have recovered part of an engine from the Learjet that slammed into the ground Sunday in Greenacres, Florida, killing all nine people aboard. — Adam Sabes, FOXNews.com, 6 Nov. 2026
Preposition
For Jamie Caring, founder of Sevengage Consultancy and the man behind the club’s community-building strategy, the real luxury lies in the people aboard it. — Julia Zaltzman, Robb Report, 7 Nov. 2026 Pemberton is on double duty tonight, aboard also to discuss his score from Ryan Gosling (and Rocky the alien)-starrer Project Hail Mary. — The Deadline Team, Deadline, 6 Nov. 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 10 Nov. 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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