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

Hop aboard for Holiday Junction At Holiday Junction featuring Duke Energy Holiday Trains, watch with awe as over 300 rail cars and 50 model trains zip through a miniature city, admire LEGO bricks crafted into whimsical displays and simply take in the winter scenery. —Caroline Ritzie, Cincinnati Enquirer, 14 Dec. 2025

The Coast Guard stops the ships, apprehends those aboard and seizes the illicit drugs. —Kerry Breen, CBS News, 10 Dec. 2025

Preposition

There were no students aboard the bus at the time, Michigan State Police said. —Paula Wethington, CBS News, 16 Dec. 2025

The team has also flown samples aboard two suborbital rocket missions. —Chris Young, Interesting Engineering, 16 Dec. 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