aboard
1 of 2adverb 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
Examples of aboard in a Sentence
Recent Examples on the Web
New Atlas, 15 Feb. 2026
Welcoming them aboard were their new Expedition 74 crewmates Chris Williams of NASA and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergey Mikaev.
—Josh Dinner, Space.com, 14 Feb. 2026
Charlie Hobbs, Condé Nast Traveler, 16 Feb. 2026
The research will be conducted with a cutting-edge Lidar imaging system that will be carried aboard the Earth Dynamics Geodetic Explorer, a new satellite that NASA is developing.
—Gary Robbins, San Diego Union-Tribune, 16 Feb. 2026
See All Example Sentences for aboard
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Adverb or adjective
Despite this, the Orion space capsule with its crew of four aboard is now scheduled to launch atop the SLS rocket in March of this year at the earliest.
—New Atlas, 15 Feb. 2026
Welcoming them aboard were their new Expedition 74 crewmates Chris Williams of NASA and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergey Mikaev.
—Josh Dinner, Space.com, 14 Feb. 2026
Preposition
Its proximity to Manhattan (a 50-minute jaunt aboard the Metro-North Railroad) gave high rollers a convenient suburban annex for their ball and chains.
—Charlie Hobbs, Condé Nast Traveler, 16 Feb. 2026
The research will be conducted with a cutting-edge Lidar imaging system that will be carried aboard the Earth Dynamics Geodetic Explorer, a new satellite that NASA is developing.
—Gary Robbins, San Diego Union-Tribune, 16 Feb. 2026
See All Example Sentences for aboard
Cite this Entry
“Aboard.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aboard. Accessed 18 Feb. 2026.
Copy CitationKids Definition
aboard
1 of 2 adverb
ə-ˈbōrd 
-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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