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

The first aircraft was a Kenya Airways jetliner with 144 police officers aboard. —Jacqueline Charles, Miami Herald, 7 Feb. 2025

American Airlines said the plane, operated as an American Eagle flight, had 60 passengers and four crew aboard. —Joey Garrison, USA TODAY, 31 Jan. 2025

Preposition

Hegseth signed a memo aboard a U.S. Air Force C-17 before landing in Stuttgart, Germany, ordering the renaming of the North Carolina base to Fort Roland L. Bragg, not the Confederate general that was the previous namesake. —Louis Casiano, Fox News, 11 Feb. 2025

Both aircraft plunged into the Potomac River, killing all 67 people aboard in the nighttime collision that occurred at approximately 300 feet in the air. —Russell Lewis, NPR, 11 Feb. 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

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