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

Both people aboard were uninjured, according to WKYT. —Michael Dorgan, FOXNews.com, 17 Apr. 2026

The Colorado Connector will be joining the Union Station schedule in 2029 and as CBS Colorado's Sarah Horbacewicz commuted to Boulder on Wednesday, some riders were all aboard. —Sarah Horbacewicz, CBS News, 16 Apr. 2026

Preposition

Everyone aboard the American Airlines jet, flying from Wichita, Kansas, and the helicopter died when the two aircraft collided. —ABC News, 14 Apr. 2026

Season two is proceeding under showrunner and writer Anna Ouyang Moench (Beef, Severance), who came aboard the series in January. —Rick Porter, HollywoodReporter, 13 Apr. 2026

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