Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
keep on board
Grammar usage guide and real-world examplesUSAGE SUMMARY
'keep on board' is a correct and usable phrase in written English.
You can use it to mean to keep someone or something safe, or to keep up to date with something. For example: "We need to keep on board with the latest technological trends".
✓ Grammatically correct
News & Media
Science
Formal & Business
Wiki
Alternative expressions(20)
keep clients on board
retain
maintain involvement
ensure continued support
on board
keep involved
preserve their participation
hold onto
maintain contact with
keep on increasing
kept on learning
keep on track
keep on adding
keep on wondering
keep on inventing
keep on learning
keep on gardening
takes on board
retained on board
continue to learn
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
16 human-written examples
"But it's the voters in your city that you need to keep on board if you want your agenda to go forward".
News & Media
Johnson is also expected to keep on board his deputy mayor for transport, Isabel Dedring, which would bring the tally of deputy mayors to seven.
News & Media
But the desperate need to keep on board Tory Brexiteers, Mr Gove included, is a serious constraint on the government just now.
News & Media
They will want to keep on board, and elicit vocal support from, their party colleagues, both within the political institution or outside.
Science & Research
The BBC must now find a new presenter to keep the show on the road and keep on board co-presenters Richard Hammond and James May, whose contracts run down next week.
News & Media
She will also have to try and keep on board the talented Mr Levinsohn, who has now been passed over a couple of times for the top slot at Yahoo!
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
44 human-written examples
"That is not unusual," Mr. Gaccione said, showing Mr. Cambe the stash of doggy snacks always kept on board.
News & Media
"They give a detailed account of the lifeboat drills, tests and an inventory of the distress signals and equipment kept on-board which bizarrely included only six life buoys - a staggering statistic considering Titanic could accommodate over 3,000 souls.
News & Media
By-catch can still hold economic value and may be kept on board to sell as a by-product.
News & Media
Months in advance, we had been sup plied with a detailed cruising guidebook, which we kept on board for constant reference.
News & Media
There is an upcoming high court challenge to the interception and detention of 157 asylum seekers who were kept on board the Ocean Protector for over a month.
News & Media
Expert writing Tips
Best practice
In contexts where you mean to keep up to date with something, phrase it as "keep on board with the latest developments".
Common error
Avoid using "keep on board" in highly casual or personal settings. While the phrase is widely understood, it carries a slightly formal or business-oriented connotation. Opt for simpler alternatives like "include" or "stay in touch" for informal communication.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "keep on board" is a phrasal verb. It functions to describe the action of maintaining someone's involvement, support, or physical presence. As Ludwig AI explains, the phrase is used correctly in written English.
Frequent in
News & Media
62%
Science
15%
Formal & Business
8%
Less common in
Wiki
8%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "keep on board" is a phrasal verb that means to maintain someone's involvement, support, or physical presence. As Ludwig AI explains, the phrase is considered grammatically correct and usable in written English. Its usage spans from formal business settings to news reports, reflecting a neutral to professional tone. While versatile, it's advisable to use more casual alternatives in informal settings. Remember to consider the specific context and intended meaning when choosing between "keep on board" and its related phrases.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
keep involved
Simple rephrasing focusing on maintaining someone's active role.
continue to include
Highlights ensuring someone is still part of a group or activity.
maintain involvement
Highlights the active participation and engagement of individuals.
preserve their participation
Focuses on ensuring continued involvement, particularly in collaborative efforts.
retain
Emphasizes maintaining possession or control, often in a formal context.
ensure continued support
Focuses on maintaining backing or assistance from someone.
secure their commitment
Highlights ensuring continued dedication and support.
hold onto
Suggests a stronger effort to prevent loss or departure.
avoid losing
Highlights the prevention of losing someone's support or involvement.
maintain contact with
Focuses on continued communication and connection.
FAQs
How can I use "keep on board" in a sentence?
You can use "keep on board" to describe retaining someone's support or involvement, like "The company needs to "keep clients on board"". It can also refer to items carried on a vehicle or vessel.
What's a more formal synonym for "keep on board"?
More formal synonyms include "retain", "maintain involvement", or "ensure continued support". The best choice depends on the specific context.
Is it correct to use "keep on board" when talking about physical items?
Yes, "keep on board" can refer to items physically kept on a ship, plane, or other vehicle. For example, "It's wise to "keep a first aid kit on board"".
How is "keep on board" different from "on board"?
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested