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

Also aboard to work on The Unseen Shield are writing vet Jonas McCord (Reagan) as script consultant and producing vet Steven Jaffe as technical consultant. —Andreas Wiseman, Deadline, 4 Mar. 2026

The ship went down with 180 people aboard, the AP reported. —ABC News, 4 Mar. 2026

Preposition

Crew-12 will join Expedition 74 crew members currently aboard the space station. —Richard Tribou, The Orlando Sentinel, 2 Mar. 2026

Officers took an elderly adult male into custody Sunday morning for making a bomb threat aboard a JetBlue flight at Fort Lauderdale-Hollywood International Airport, authorities said. —Phillip Valys, Sun Sentinel, 1 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