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
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
Closer Boede Raye — no hits allowed in the final two innings — was supported by Tyson Owens, who made a diving catch in center field on a ball hit by AJ Aschettino with two outs and nobody aboard in the eighth. Gary Bedore, Kansas City Star, 29 May 2026 It was not immediately known what the bus was being used for or how many people were aboard. Los Angeles Times, 29 May 2026
Preposition
My first night in Victoria Falls was marked with a cruise aboard the latter. Lydia Mansel, Travel + Leisure, 30 May 2026 Franklin, a British explorer, brought 129 officers and crew members aboard HMS Erebus and HMS Terror in 1845 in an attempt to chart the Northwest Passage. Andrea Margolis, FOXNews.com, 30 May 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 6 Jun. 2026.

Kids Definition

aboard

1 of 2 adverb
ə-ˈbōrd How to pronounce aboard (audio)
-ˈbȯrd
: 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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