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
permanently marked
Grammar usage guide and real-world examplesUSAGE SUMMARY
"permanently marked" is correct and usable in written English. You can use it to describe something that has been marked in a way that cannot be removed or altered. Example: "The equipment was permanently marked for identification purposes." Alternative expressions include "indelibly marked" and "irrevocably marked."
✓ Grammatically correct
Science
News & Media
Academia
Formal & Business
Alternative expressions(20)
indelibly marked
lasting impact
lasting impression
etched forever
permanently etched
deeply ingrained
The New York Times
indelibly imprinted
firmly established
unforgettable
etched in stone
deeply rooted
firmly fixed
set in stone
indelible mark
forever engraved
etched in time
hardwired
fixed in memory
ingrained into my brain
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
57 human-written examples
In short, he said, "I was permanently marked".
News & Media
Previously subordinate males had their eyespots permanently marked with black paint to convey high aggression and status.
Science
As part of a civil settlement, Dedalus demanded that the work be permanently marked as a fake.
News & Media
Permanently marked plants were assessed for live tiller production, and randomly selected tillers were sampled to determine active and dormant buds per tiller.
Such labels, where practicable, may be required by the Commission to be permanently marked on or affixed to any such consumer product.
Academia
The idea was that a particular sliver of bitcoin could be permanently marked with some other property: say, ownership of a stock, or a plot of land.
News & Media
Now the four summits on the Sheffield stretch of Stage 2 are being permanently marked with special signs, complete with altitude, summit and gradient.
News & Media
Presence of higher plant species was recorded in 1455 permanently marked quadrats located across Britain in 1978, 1990 and 1998 in a stratified, random sample of 259 1 km squares.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
3 human-written examples
When the mice recall that memory, a red fluorescent dye permanently marks the active cells.
Academia
In these mice, a yellow fluorescent dye permanently marks the neurons when they record a new memory.
Academia
In a preliminary injunction issued this morning, Judge Michael A. TeDepartment of Agriculture did not consider several other less painful methods for permanently marking animals.
News & Media
Expert writing Tips
Best practice
In figurative contexts, use it to describe life-altering events or generational shifts that leave a lasting impact on society.
Common error
Avoid using redundant qualifiers like "permanently marked forever" or "permanently marked for good". The adverb "permanently" already establishes that the state is indefinite and unchanging.
Source & Trust
92%
Authority and reliability
4.9/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "permanently marked" functions as a passive verb construction or an adjectival phrase. It consists of the adverb "permanently", which modifies the past participle "marked". In many instances found in Ludwig, it follows a form of the verb "to be", indicating a state resulting from a prior action.
Frequent in
Science
55%
News & Media
25%
Academia
15%
Less common in
Formal & Business
3%
Wiki
1%
Social Media
1%
Ludwig's WRAP-UP
The phrase "permanently marked" is a robust and versatile expression used to describe things that have been tagged or altered in a way that is intended to last indefinitely. Ludwig AI data reveals a heavy concentration in Scientific and Academic writing, where it often refers to the physical identification of research subjects like trees, plots, or animals. However, it is equally effective in News & Media to describe the lasting psychological or social effects of historical events. It is grammatically correct and carries a high level of authority. When using it, ensure the context truly implies a state that cannot be easily reversed to maintain the precision of the adverb "permanently".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
indelibly marked
Suggests a mark that is impossible to remove or wash away, often used for ink or memories
irrevocably branded
Conveys a stronger sense of identity or ownership that can never be taken back
unalterably labeled
Highlights that the classification or name cannot be changed
durably identified
Emphasizes the longevity of the identification method
lasting impression
Focuses on the psychological or emotional effect rather than a physical tag
stamped for life
Idiomatic expression for something that defines a person forever
etched forever
A more poetic or metaphorical way to describe a permanent state
fixedly tagged
More technical, specifically referring to the act of attaching an identifier
permanently scarred
Specifically refers to physical injury or negative emotional trauma
enduringly noted
Formal way of saying something is kept in record for a long time
FAQs
How to use "permanently marked" in a sentence?
You can use it to describe physical tagging, such as: "The researchers ensured each tree was <a href="/s/permanently+marked" target="_blank" rel="alternative">permanently marked with a steel tag". It also works figuratively: "The experience <a href="/s/permanently+marked" target="_blank" rel="alternative">permanently marked his worldview".
What can I say instead of "permanently marked"?
Depending on your context, you can use "<a href="/s/indelibly+marked" target="_blank" rel="alternative">indelibly marked", "<a href="/s/irrevocably+scarred" target="_blank" rel="alternative">irrevocably scarred" or "<a href="/s/lasting+impact" target="_blank" rel="alternative">lasting impact".
Is "permanently marked" suitable for formal reports?
Yes, it is highly appropriate for formal, scientific, and technical reports. Ludwig AI shows frequent usage in journals like Nature and PlosOne to describe experimental setups.
What is the difference between "permanently marked" and "indelibly marked"?
While very similar, "<a href="/s/indelibly+marked" target="_blank" rel="alternative">indelibly marked" often refers specifically to inks, dyes, or memories that cannot be erased, whereas "<a href="/s/permanently+marked" target="_blank" rel="alternative">permanently marked" is broader and can refer to physical alterations, tags, or even digital attributes.
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
92%
Authority and reliability
4.9/5
Expert rating
Real-world application tested