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
a decelerated
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a decelerated" is correct and usable in written English.
It can be used when describing something that has been slowed down or reduced in speed. Example: "The decelerated vehicle came to a complete stop at the traffic light."
✓ Grammatically correct
News & Media
Science
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
1 human-written examples
But "Dancing in the Light" is a revelation it has a loping groove, Jagger in full-jive mode, and some genuinely funny lyrics ("I got that sinking feeling / Whose potatoes are you peeling?")—and "So Divine Aladdin Songg)" is, despite its ungainly title, an elegant and sinuous anti-love song built around a decelerated "Paint It Black" riff.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
Bastian, who is based in Dortmund, Germany, likes to work slowly—he told me that shooting film has a "decelerating" effect and this comes through in the series' contemplative portraits and landscapes.
News & Media
Bastian, who is based in Dortmund, Germany, likes to work slowly — he told me that shooting film has a "decelerating" effect — and this comes through in the series' contemplative portraits and landscapes.
News & Media
This was Gambhir, though, a decelerating force but a mini-galáctico in his own time, the world's third richest cricketer, but always a baffling pick given his abject tour of England in 2011 (six innings for 102 runs) and a terminally dwindling Test career that has brought no hundred in his last 28 matches.
News & Media
The state machine has three states, an accelerating a, decelerating d, and a constant-speed c state.
When GDP numbers revised downward, everyone started worrying about a decelerating economy.
News & Media
So far so good, but Verizon still might face headwinds from a decelerating economy.
News & Media
One, says Ragas, is the risk that overall tech sector capital equipment spending could slow in the face of a decelerating economy, and while ESIO is well positioned, this is a cyclical stock.
News & Media
Note that the decrease in signal to noise as the acceleration voltage is lowered Fig. 5 Electron-penetration depth as a function of probe-beam-landing energy modulated via a decelerating biasing potential.
It did capture an unknown figure - potentially the assassin - getting into a decelerating white car and leaving the scene.
News & Media
This segment shows a decelerating trend in admissions post-referral but admissions never decline to zero.
Expert writing Tips
Best practice
Use "a decelerated" when you want to emphasize that something's speed or rate has been actively reduced, especially if there's a contrast to a previous, faster state.
Common error
Don't use "a decelerated" when "slowed" or "slower" are more straightforward and natural choices. Overusing it can make your writing sound unnecessarily formal or technical.
Source & Trust
96%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a decelerated" primarily functions as an adjective, modifying a noun to indicate that it has undergone a reduction in speed or rate. This is supported by Ludwig, which indicates that the phrase is grammatically correct and usable.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "a decelerated" is a grammatically sound phrase used as an adjective to describe something that has slowed down. As Ludwig confirms, it's usable and correct, albeit somewhat uncommon. It most frequently appears in scientific and news-related contexts. When writing, remember that simpler alternatives like "slowed" might be preferable in less formal settings. Over all, the phrase indicates a deliberate and measurable reduction in speed or rate of change.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
A slowed
Focuses on the action of slowing down, simpler and more direct.
A reduced speed
Emphasizes the resulting lower velocity, highlights the measure aspect of speed.
A diminished pace
Refers to a decrease in the rate of movement or activity, suitable in contexts where rhythm or progression is key.
A lessening
Highlights reduction in intensity or degree, more general than speed specifically.
A retarded
Indicates a slowing or delaying effect, appropriate in scientific or technical contexts.
A curbed
Implies a restraint or check on movement or activity, suitable for indicating restriction.
An impeded
Highlights obstruction or hindrance affecting speed or progress.
A restrained
Implies a controlled reduction in speed or activity, focuses on the management of pace.
A moderated
Indicates a gentler reduction, suitable for diminishing strong effects or forces.
An eased
Suggests a gradual decrease in intensity or rapidity, emphasizes the smoothness of the reduction.
FAQs
How can I use "a decelerated" in a sentence?
You can use "a decelerated" to describe something whose speed has been reduced. For example, "The project experienced "a decelerated growth rate" after the initial funding dried up."
What's a simpler way to say "a decelerated"?
Alternatives include "a slowed down" or "a reduced speed". The best choice depends on the specific context and the nuance you want to convey.
Is it better to say "decelerated" or "slowing"?
Both words describe the same concept, but "decelerated" implies a more active or forceful reduction in speed, while "slowing" suggests a more gradual process. Choose the word that best fits the context.
What's the difference between "decelerated" and "accelerated"?
"Decelerated" means to reduce speed, while "accelerated" means to increase speed. They are antonyms, describing opposite changes in velocity.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
96%
Authority and reliability
4.5/5
Expert rating
Real-world application tested