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
That includes family members acknowledging their relatives’ disappearances, a local police report claiming the boat Cuba said the men were aboard as being stolen and an online trail of increasingly militant posts from the men Cuba named. Claire Heddles, Miami Herald, 28 Feb. 2026 Once officially aboard, Baryshnikov threw herself into prep, taking sewing classes in Los Angeles’ Garment District and helping Popov get the film in motion. Matt Grobar, Deadline, 27 Feb. 2026
Preposition
Two buses with 65 people on board fell into the same river in 2024 and were lost, with most aboard either killed or still missing. ABC News, 23 Feb. 2026 White barnacles, like stars, climb aboard her shell and fall asleep. Literary Hub, 23 Feb. 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 3 Mar. 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

More from Merriam-Webster on aboard

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster