Dictionary.com
Thesaurus.com
Synonyms

on board

Idioms  
  1. 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.

On board the Hondius were 149 people from 23 different nations including the U.S.,

From The Wall Street Journal • May 7, 2026

On board, people snapped selfies with the cub before reuniting it with its mom.

From Los Angeles Times • May 2, 2026

On board, Chiu spotted a large, bright object approaching, but by the time he recognised it as another vessel, it was too late.

From Barron's • Dec. 2, 2025

On board the Star Express, the cocktails are poured and the karaoke microphone is passed around, as retirees party their way through China's south-western Yunnan province.

From BBC • Apr. 16, 2025

On board ship, the messages from our Navajo net coordinated gunfire, insured resupply, and helped our commanders estimate what had to be done.

From "Code Talker: A Novel About the Navajo Marines of World War Two" by Joseph Bruchac

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "on board" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com