on board

Idioms

Joining in or participating, as in The department head addressed the new employees, saying “Welcome on board,” or The opera company has a new vocal coach on board to help the soloists. This expression alludes to being on or in a vessel, airplane, or other vehicle. [Colloquial; second half of 1900s]

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.

A passenger on board one of the trains, who spoke to the BBC, said the collision happened at 17:12 BST.

From BBC • Jun. 19, 2026

In any case, the island is on board with Tom’s extractive commerce push, indicated in the season’s ominous ending.

From Salon • Jun. 18, 2026

More than 500 commercial vessels are still stuck in the Gulf, with about 11,000 seafarers on board, according to the International Maritime Organization.

From Barron's • Jun. 18, 2026

Herbert is on board, but made it clear he does not require any maintenance.

From Los Angeles Times • Jun. 17, 2026

Oteg and I helped Katy Logan get herself and her dogs on board.

From "Black Star, Bright Dawn" by Scott O'Dell

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

on board

Example Sentences

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