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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
the back door open
Grammar usage guide and real-world examplesUSAGE SUMMARY
"the back door open" is a correct phrase in written English.
You can use it when referring to a door that is currently open. For example: "I noticed that the back door open and assumed someone had left it ajar."
✓ Grammatically correct
News & Media
Science
Formal & Business
Wiki
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
35 human-written examples
When you coach the underdog, you always have the back door open.
News & Media
"It's like barring the front door and leaving the back door open".
News & Media
Then she let the air into the house, the front door and the back door open, the kitchen windows.
News & Media
Jewel had left the back door open for Magic, the cat, who'd been missing for four days.
News & Media
The task force did leave the back door open for someone else to take on the spending issue.
News & Media
The Dupuises ate under a stained-glass hanging lamp in the kitchen, the back door open to the yard and the night breeze.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
25 human-written examples
The back door opened.
News & Media
And then, on the other side of the rectory, the back door opened and slammed shut.
News & Media
I took two cookies to the back door, opened it a crack, and tossed one of them toward Nero.
News & Media
She arranged for the house to be lifted from its foundation onto a flatbed truck, then returned to where it had been, but backward, so the front door faced the backyard, and the back door opened onto the street.
News & Media
The back door opened and out stepped President Bush, who spotted Manning and stuck his arms out, in the manner of a receiver calling for a touchdown pass.
News & Media
Expert writing Tips
Best practice
When using the phrase "the back door open", ensure the context clearly indicates whether you are describing a literal open door or using it metaphorically to represent an opportunity or vulnerability. For example, in security contexts, emphasize actions to secure it.
Common error
Avoid using "the back door open" without clarifying if it's a literal door or a metaphor. For instance, if discussing a security flaw, explicitly state it's a 'backdoor' in the system to prevent confusion.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "the back door open" is descriptive. It functions as a phrase describing the state of the back door. Ludwig examples show it being used to describe both literal and figurative situations, as confirmed by Ludwig AI.
Frequent in
News & Media
60%
Science
15%
Formal & Business
10%
Less common in
Wiki
8%
Reference
4%
Encyclopedias
3%
Ludwig's WRAP-UP
In summary, "the back door open" is a commonly used phrase that is grammatically correct and serves to describe a state where a back door is not closed. As Ludwig AI confirms, it is often used in both literal and metaphorical contexts, representing either a physical opening or a vulnerability. The phrase is most frequently found in news and media sources, maintaining a generally neutral register. When using this phrase, it's essential to clarify whether you're referring to a physical door or a figurative "backdoor" to avoid confusion.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
the back door is not closed
A simple, direct statement about the door's state.
the back door is left ajar
Specifies that the door was intentionally left slightly open.
the rear door is ajar
Uses 'ajar' to specify the degree of openness, implying it's slightly open.
the back entrance is unsecured
Focuses on the security aspect of the open back door.
the back door remains unlocked
Shifts the focus to the door not being locked, implying accessibility.
the back portal is accessible
Uses 'portal' for a more formal or metaphorical tone, stressing entry availability.
the rear access is available
Focuses on the availability of access through the back.
the rear entry is accessible
A formal way to indicate that the back entrance can be accessed.
the back gateway is unguarded
Emphasizes the lack of security at the back entrance.
the back hatch is unlatched
Suggests the back entrance is not properly fastened.
FAQs
How can I use "the back door open" in a sentence?
You can use "the back door open" to describe a physical state, as in "I saw "the back door open" when I arrived home", or metaphorically, as in "This policy leaves "the back door open" for abuse".
What does "the back door open" mean metaphorically?
Metaphorically, "the back door open" can refer to an opportunity, loophole, or vulnerability that is accessible or exploitable. It suggests a less direct or obvious means of entry or access.
What are some alternatives to saying "the back door open"?
Alternatives include "the back door ajar", "the back door unlocked", or "the rear entrance unsecured", depending on the specific nuance you want to convey.
Is it grammatically correct to say "the back door open"?
Yes, "the back door open" is grammatically correct, though it's often used in descriptive contexts or as part of a larger sentence. It implies a state of being where the back door is not closed.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested