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
Before Friend came aboard, school districts used a blunt question to figure out which students might be struggling with shelter. Andre Mouchard, Oc Register, 21 Dec. 2025 Blue Origin Saturday's launch marked Blue Origin's 16th New Shepard flight with passengers aboard since Bezos, his brother and two others blasted off on the first such flight in July 2021. William Harwood, CBS News, 20 Dec. 2025
Preposition
The Woman in Cabin 10 tells the story of a travel journalist, Lo, on assignment aboard a luxury yacht. Lizz Schumer, PEOPLE, 23 Dec. 2025 But at least in the battleship plan, the Navy would seem to be swimming upstream, with construction of the vessels themselves and some of the weapon systems the service says would be aboard. Brad Lendon, CNN Money, 23 Dec. 2025 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 29 Dec. 2025.

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!