aboard

1 of 2

adverb or adjective

ə-ˈbȯrd 

1

: alongside

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

Adverb or adjective

SpaceX will be operating Starship autonomously and there will be no astronauts aboard during the flight. —Matthew Glasser, ABC News, 11 Oct. 2025

On the first night aboard, Lo meets a mysterious woman who is staying in cabin 10. —Allison Degrushe, Entertainment Weekly, 10 Oct. 2025

Preposition

The strike was conducted in International Waters, and six male narcoterrorists aboard the vessel were killed in the strike. —Hollie Silverman, MSNBC Newsweek, 14 Oct. 2025

Last week, the couple was potted sharing some PDA while aboard Perry's yacht, the Caravelle, off the coast of Santa Barbara last week. —Christina Dugan Ramirez, FOXNews.com, 14 Oct. 2025

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

Rhymes for aboard

• abhorred
• accord
• adored
• afford
• award
• baseboard
• billboard
• blackboard
• boxboard
• breadboard
• broadsword
• buckboard

Kids 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