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.

Two other Californians who were on board the MV Hondius are healthy and are being observed at the University of Nebraska Medical Center’s National Quarantine Unit, the only federally funded quarantine unit in the U.S.

From Los Angeles Times • May 14, 2026

“Saturday Night Live” castmates Molly Shannon and Chris Parnell are on board as Hawkins’ estranged wife and a PGA board member, respectively.

From Los Angeles Times • May 13, 2026

Rosmarin and the other passengers were marooned on board with "seriously ill" travellers as the cruise ship searched for a port that would accept them.

From BBC • May 13, 2026

Netflix has been eager to add more live sports to its platform as a way to attract major advertisers and keep subscribers on board.

From The Wall Street Journal • May 13, 2026

“I wonder,” Nat said, “if a captain would let me take my notebooks on board and study between ports?”

From "Carry On, Mr. Bowditch" by Jean Lee Latham

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