Definitions

aboard

[uh-bawrd, uh-bohrd] / əˈbɔrd, əˈboʊrd /

ADJECTIVE

on or in a transportation object

Synonyms

WEAK

boarded consigned embarked en route in transit loaded on on board traveling

Antonyms

WEAK

not on off

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The burn took the Orion spacecraft out of Earth orbit as the four astronauts aboard aim to travel the more than 200,000 miles to the Moon.

From BBC • Apr. 3, 2026

While returning to Washington from Florida aboard Air Force One on Sunday, President Donald Trump chatted with journalists for a few minutes about the Iran war.

From Barron's • Mar. 31, 2026

None had lived aboard for months on end as an expedition crew member afterward.

From Los Angeles Times • Mar. 30, 2026

To gather data, Utrecht master's student Sophie ten Hietbrink spent four weeks aboard the research vessel RV Pelagia.

From Science Daily • Mar. 29, 2026

Some fancy pants politicians & their wives came aboard to take a peek at the obelisk by candlelight.

From "The (Mostly) True Story of Cleopatra's Needle" by Dan Gutman