On-Board-Onboard | Commonly Confused Words
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On board vs. Onboard

On board

/ɑn bɔrd /
To be present or involved in a project or activity, especially as a team member.

Examples:

Synonyms:

Antonyms:

Onboard

/ˈɑːnˌbɔːrd/
To help someone get started or become familiar with a new job, process, or system

Examples:

Synonyms:

Antonyms:

Ways to tell them apart:

etymology
  • On board is often used as two separate words when referring to people or things physically being on a vessel like a ship or airplane.
  • Onboard as one word is generally used as an adjective or verb related to assimilating or integrating someone into a system or team.
  • If you can replace on board with aboard and the sentence still makes sense, on board should be used.
  • Onboard as a single word is used more in digital and corporate contexts, unlike on board which is more literal.
  • Remember, on board often conveys a physical presence while onboard is more about processes or state of being.
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