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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
be flush against
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "be flush against" is correct and usable in written English.
You can use it when something lies against something else with no gaps or protrusions. For example: "The wall and floor tiles should be flush against each other for a neat finish."
✓ Grammatically correct
News & Media
Wiki
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
8 human-written examples
The paper should be flush against the box so that it forms subtle creases along the edges.
News & Media
Cut the drain stub so that the drain adaptor will be flush against the wall.
Wiki
The bed should be flush against a guard-rail or the wall.
Wiki
Longest row will be flush against the bottom of the hanger--most likely you will use 5 rings.
Wiki
This creates a box with 1 open end that will be flush against the wall once installed.
Wiki
Since the shelf has little support, it needs to be flush against a wall, or have some sort of similar flat backing.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
Her head is in her lap, her right cheek is flush against her stomach.
News & Media
The burgundy strip was flush against the skin on Jason's neck, sitting under rather than over the new shirt.
News & Media
The ball then ricocheted off a small segment of chain-link fence that sits atop the wall and is flush against it, and landed on the field.
News & Media
The screen came across as deep, not flat, even though the 85" diagonal prototype was flush against the wall.
News & Media
Now, as my driver slams the gas pedal until it is flush against the floor, blasting by color-coded cones that signal where to point the car, I bring up that old F-16 feeling... but, this time, manage to tamp it down.
News & Media
Expert writing Tips
Best practice
When describing the installation of materials, ensure that your instructions specify that surfaces "be flush against" each other for optimal performance and a professional finish.
Common error
Don't assume readers understand the importance of surfaces being perfectly aligned. Clearly state why surfaces must "be flush against" each other, whether for structural integrity, aesthetic reasons, or to prevent leaks.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "be flush against" functions as a descriptive phrase, specifying a particular state of alignment or contact between two surfaces or objects. Ludwig AI confirms its usability in written English.
Frequent in
Wiki
40%
News & Media
30%
Science
15%
Less common in
Formal & Business
10%
Encyclopedias
0%
Academia
0%
Ludwig's WRAP-UP
In summary, the phrase "be flush against" is a grammatically sound and relatively common expression used to describe perfect alignment or contact between surfaces, as confirmed by Ludwig. It is versatile and suitable for a variety of contexts, ranging from technical instructions to descriptive writing. While "be flush against" appears most frequently in Wiki and News & Media sources, it maintains a neutral to formal register. The AI-powered platform Ludwig highlights its proper usage through numerous real-world examples, ensuring clarity and accuracy in your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
be aligned with
Focuses on alignment rather than physical contact.
be in contact with
Emphasizes the state of touching without specific positioning.
be in alignment with
Highlights the idea of being in a correct position or arrangement.
be pressed against
Suggests a force is causing the contact.
be butted up against
Implies the end of one object is touching another.
be sitting against
Indicates the presence on the edge of something.
be adjoining to
Describes things that are close together, sharing a boundary or wall.
be touching
Uses simple phrasing to express making contact.
be butted together
Emphasizes the junction where the ends of two things abut.
be affixed to
Highlights the fact something is attached to another thing.
FAQs
How do you use "be flush against" in a sentence?
You can use "be flush against" to describe surfaces that are perfectly aligned and in close contact, such as "The countertop should "be flush against" the wall for a seamless look".
What does "be flush against" mean?
The phrase "be flush against" means that two surfaces are aligned on the same plane, with no gaps or protrusions.
What can I say instead of "be flush against"?
Alternatives include phrases like "be aligned with", "be in contact with", or "be pressed against", depending on the specific nuance you want to convey.
Is it correct to say "is flush against"?
Yes, "is flush against" is grammatically correct and commonly used. The phrase "be flush against" is the infinitive form. For example, "The shelf is flush against the wall".
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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
4.1/5
Expert rating
Real-world application tested