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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
under their power
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "under their power" is correct and usable in written English.
It can be used to describe a situation where someone or something is controlled or influenced by another party. Example: "The citizens felt that their rights were under their power, and they demanded change from the government."
✓ Grammatically correct
News & Media
Wiki
Encyclopedias
Alternative expressions(1)
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
10 human-written examples
Exorcism, an adjuration addressed to evil spirits to force them to abandon an object, place, or person; technically, a ceremony used in both Jewish and Christian traditions to expel demons from persons who have come under their power.
Encyclopedias
In October, the council sent a letter to its 167 members, asking them to describe how they manage voltage, ensure reliable communications with their neighbors, handle the failure of control systems, train for emergencies, and keep the trees under their power lines trimmed all factors that contributed to the Aug. 14 blackout.
News & Media
Finally, the example transceiver designs in Appendix are optimal for their metrics under their power constraints and nulling constraints A k F k = 0, ∀k.
As the elite monopolize, average Americans remain confined under their power.
News & Media
On 1 October 1965, a group of Indonesian National Armed Forces members calling themselves the 30 September Movement killed six Army generals and announced that the president was under their power; the coup was quashed the following day.
Wiki
When the "FireRed and LeafGreen" volume of the manga began the original protagonists – Red, Blue, and Green – return to fight the newly formed Team Rocket and the Deoxys under their power.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
50 human-written examples
But a few weeks later they were rearrested.Under their power-sharing pact, Messrs Tsvangirai and Mugabe are meant "to consult and agree" on all senior government appointments.
News & Media
The batteries have a claim to the title of the first ironclad warships but they were capable of only 4 knots (7 km/h) under their own power: they operated under their own power at the Battle of Kinburn, but had to be towed for long range transit.
Wiki
Beyond the ability to move out of the showroom under their own power, the Ramblers promised no further miracles.
News & Media
Any reasonably fit person should be able to take to the air under their own power". Southampton University is again at the forefront of British human-powered aircraft.
News & Media
All the cars will have arrived under their own power.
News & Media
Expert writing Tips
Best practice
Use "under their power" to describe situations where influence or control is actively being exerted, rather than simply potential authority.
Common error
Avoid using "under their power" in overly passive sentences. Instead, focus on who is exerting the power and how.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "under their power" functions as a prepositional phrase, modifying a verb or noun to indicate a state of being controlled or influenced by a specific entity. Ludwig confirms its usability in written English.
Frequent in
News & Media
50%
Wiki
30%
Encyclopedias
10%
Less common in
Science
10%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "under their power" is a grammatically sound and generally neutral prepositional phrase used to describe a state of being controlled or influenced, as confirmed by Ludwig. While "within their control" is a close synonym, "under their power" often suggests a more active or even oppressive form of dominance. Its frequency is uncommon, and it appears most often in news and media contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
within their control
Focuses on the ability to manage or direct something.
subject to their authority
Highlights the legitimacy of control and the obligation to obey.
in their grasp
Implies a firm hold and possession, often with a negative connotation.
under their command
Emphasizes direct orders and obedience within a hierarchical structure.
at their mercy
Suggests a vulnerable position depending on the actions of those in control.
subordinate to them
Highlights a lower rank or position relative to those in control.
beholden to them
Indicates a sense of obligation or indebtedness to those in control.
dominated by them
Stresses the overwhelming influence or control exerted by a stronger party.
ruled by them
Emphasizes governance and the exercise of authority over a population or territory.
under their thumb
Implies oppressive or tyrannical control.
FAQs
How can I use "under their power" in a sentence?
You can use "under their power" to describe a state of control or influence. For example: "The citizens felt that their rights were under their power, and they demanded change from the government."
What can I say instead of "under their power"?
You can use alternatives like "within their control", "subject to their authority", or "in their grasp" depending on the context.
Is it correct to say "under his power" or "under their power"?
Both are grammatically correct. "Under his power" refers to a single individual's control, while "under their power" refers to the control of a group or entity.
What is the difference between "under their control" and "under their power"?
"Under their control" emphasizes the ability to manage or direct, while "under their power" highlights the exertion of influence or authority. They are largely interchangeable, but "under their power" carries a stronger connotation of active dominance.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested