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 detour took us on a historic route near Banff and Lake Louise that all the experts aboard (and there were many) said was even more scenic than the usual way. —Los Angeles Times, 13 Jan. 2026

All six aboard were killed, including the pilot, Captain Hernando Torres, and passengers Juan Manuel Rodríguez, Óscar Marín, Jefferson Osorio, and Weisman Mora, authorities and the singer’s team said. —Theresa Braine, Mercury News, 12 Jan. 2026

Preposition

An iceberg from Greenland sunk the Titanic in 1912, and 46 years later, another sunk a Danish vessel specifically designed to fend off ice, killing all 95 aboard. —Paul Bierman, Washington Post, 7 Jan. 2026

Cost and Inclusions Journeys aboard the Venice Simplon-Orient-Express start at $4,084 for one night in a Historic Cabin on the classic Venice to Paris journey. —Laura Itzkowitz, Travel + Leisure, 7 Jan. 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