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

During the mission, four astronauts — three Americans and one Canadian — will spend about 10 days in deep space to confirm that all the spacecraft's systems operate as designed with the crew aboard. —Jonathan Limehouse, USA Today, 29 Mar. 2026

Suarez's homer, his first since rejoining the Reds this offseason, came on an 0-2 pitch from Greg Weissert with two runners aboard in the sixth to put Cincinnati ahead 3-2. —CBS News, 29 Mar. 2026

Preposition

On the broader military front, thousands of Marines aboard the USS Tripoli arrived in the Middle East on Friday, with additional forces en route from the West Coast. —Adeola Adeosun, MSNBC Newsweek, 31 Mar. 2026

This spirit will travel with the crew aboard the capsule. —Elizabeth Howell, Space.com, 30 Mar. 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