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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
and entered open
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "and entered open" is not correct and does not convey a clear meaning in written English.
It seems to be an incomplete thought or phrase, and without additional context, it is difficult to determine its intended use. Example: "He approached the door and entered open" does not make sense as it stands.
⚠ May contain grammatical issues
News & Media
Science
Wiki
Alternative expressions(20)
open space
enrollment is available
registration is now open
the application process is open
door is open
enrolment is open
entry is open
admission is available
hospitalisation is open
entrances to open
admission is open
intake is ongoing
open discussion
open relationship
applications are being accepted
membership is open
exam is open
slots are available
entrance is open
entrance to the open
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
At the end of a cul-de-sac, we scaled a low cinder-block wall and entered open space.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Pass a weir and enter open ground by a pond, and turn left, then right past an old stone granary tower, following the field edge across a driveway, keeping straight ahead and then bearing right around the field edge and heading east with a brook on your right.
News & Media
Open your preferred web browser, and enter Open your preferred web browser, and enter in the address bar.
Wiki
However, the possibility of globally significant fluxes of iron escaping these mass precipitation events and entering open-ocean cycles is now being debated3, and two recent studies suggest that dissolved organic ligands might influence the fate of hydrothermally vented metals4,5.
Science & Research
The overall plasma observations show that Cassini passed from the magnetosphere through field-aligned currents (observed in the B φ component of the magnetic field) and then the spacecraft entered open field lines where it observed cusp plasma.
Science
SHR pups spent less time in the closed arms, more time in the open arms and entered the open arms more frequently than WKY and SD pups.
In the elevated-plus maze, SHR spent less time in the closed arms, more time in the open arms and entered the open arms more frequently than SD or WKY.
In the elevated-plus maze, SHR spent less time in the closed arms (P < 0.001), more time in the open arms (P < 0.05) and entered the open arms more frequently (P < 0.0005) than SD or WKY pups.
There was also a significant positive correlation between Lsamp 1a transcript levels and the latency to enter open arm.
Science
But as soon as the ban came in [in 2007] I was able to enter open competitions and not worry about the smoke".
News & Media
Debris can enter open ovules and cause significant analytical problems.
Expert writing Tips
Best practice
When intending to describe movement into a space, ensure clarity by specifying what is being entered, such as "and entered the open field" or "and entered an open discussion". Using precise language prevents ambiguity.
Common error
Avoid using "open" directly after "entered" without a clarifying noun or adjective. This construction is grammatically unsound and can confuse readers. Instead, clarify the phrase with words like "space", "area", or other descriptive terms to enhance comprehension.
Source & Trust
77%
Authority and reliability
1.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "and entered open" functions as a conjunction linking a preceding clause with an action involving entry into something described as "open". However, as noted by Ludwig AI, this construction lacks grammatical correctness without a clarifying noun, adjective or prepositional phrase.
Frequent in
News & Media
32%
Science
47%
Wiki
15%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "and entered open" is grammatically questionable in standard English, typically requiring further clarification to form a coherent thought. Ludwig AI indicates that this phrase is generally incorrect. While contexts vary across News & Media, Science, and Wiki sources, its relatively low frequency and grammatical issues suggest caution in formal writing. Clearer alternatives should be favored to ensure accuracy and avoid ambiguity. When using the word "entered" be sure to specify the destination with more details to be grammatically correct.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
and entered the clearing
Replaces "open" with "the clearing", specifying the destination as an open space in a forest.
and walked into an open
Replaces "entered" with "walked into" to provide a more descriptive action and adds an article.
and stepped into open
Replaces "entered" with "stepped into" indicating a more cautious or deliberate movement.
and came into the open
Shifts the focus to 'coming into' a state of being 'open' or revealed.
and found themselves in the open
Emphasizes the result of entering: being in an open space or situation.
and emerged into the open
Highlights the act of emerging, suggesting a transition from a closed to an open space.
and then entered
Removes "open" to focus solely on the act of entering, omitting the state or type of space.
and went through the opening
Changes "entered" to "went through" and "open" to "opening", focusing on passing through an aperture.
and gained access to open
Uses "gained access" instead of "entered", suggesting overcoming a barrier to enter an open area.
and proceeded to open
Shifts focus from entering to the action of opening something.
FAQs
How can I correctly use "and entered" in a sentence?
To use "and entered" correctly, follow it with a noun that specifies the location or state being entered. For example, "and entered the room", "and entered the agreement", or "and entered a state of confusion" are grammatically sound.
What's a better way to phrase "and entered open"?
Instead of "and entered open", consider using phrases like "and entered the "open area"", "and entered an "open discussion"", or "and entered into an "open relationship"", depending on the intended meaning.
Is "and entered open" grammatically correct?
No, "and entered open" is not typically considered grammatically correct in standard English. The word "open" requires a noun to modify or be part of a more complete phrase such as "open space".
What's the difference between "and entered open" and "and entered into"?
"And entered open" is generally ungrammatical, while "and entered into" is used to indicate starting or becoming involved in something, such as "and entered into a contract" or "and entered into a partnership". They serve different grammatical purposes.
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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
77%
Authority and reliability
1.8/5
Expert rating
Real-world application tested