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
more stiff
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "more stiff" is correct and usable in written English.
It can be used when comparing the stiffness of two or more objects or materials, indicating that one is stiffer than the other. Example: "The new material is more stiff than the previous version, making it ideal for construction."
✓ 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
59 human-written examples
If the stiffness of the left wall is different from that of the right wall, the drift of the wall with less stiffness will be greater than the one that is more stiff.
The increased stiffness or confinement modulus of the confining FRP jackets, induced by the increase in jacket thickness or the use of the more stiff carbon FRP sheets, resulted in further amplification of the axial load resistance, stiffness and toughness of the jacketed columns.
If they do not, expect rather more stiff medicine to come.
News & Media
This will only continue as competition gets more stiff and more services enter the fray.
News & Media
"He's reaching out to her and she could not be more stiff and unresponsive," Ms. Colleary said.
News & Media
Those traits, Republicans say, make Mr. Gore seem all the more stiff and mean-spirited by comparison.
News & Media
"I've built a vegetable patch in my back garden; I'm actually more stiff now from gardening than I am from the cricket".
News & Media
Just when she'd determined that land was within safe reach, she gave one more stiff kick, and her right foot struck rock.
News & Media
You just know that Mr. Gore, who has grown more stiff lately appearing with Mr. Clinton, left Monroe a nervous wreck.
News & Media
At the same time, though, the 2003 Navigator is heavier and more stiff than the 1999 Navigator, factors which could have some offsetting effect.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
No more stiff-bristled assertions of alpha-male supremacy or lingering shots of Rossetti roaring at the ceiling with his britches around his ankles.
News & Media
Expert writing Tips
Best practice
When comparing the rigidity of materials or objects, use "more stiff" to clearly indicate that one has a higher resistance to bending or deformation than another. For example, "This alloy is "more stiff" than aluminum, making it ideal for structural components."
Common error
Avoid using "more stiff" in contexts where you mean "more formal" in a social setting. "Stiff" can describe both physical rigidity and social awkwardness, but using it interchangeably can lead to miscommunication. For social contexts, prefer alternatives like "more formal" or "more reserved".
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "more stiff" functions primarily as a comparative adjective phrase, modifying nouns by indicating a higher degree of stiffness. Ludwig AI confirms its grammatical correctness and usability across diverse contexts.
Frequent in
News & Media
50%
Science
40%
Wiki
10%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "more stiff" is a versatile and grammatically sound construction used to compare the degree of rigidity or inflexibility. As Ludwig AI confirms, it appears frequently in diverse contexts, notably in News & Media and Science, indicating its broad applicability. While "stiffer" is a direct alternative, "more stiff" provides emphasis. Remember to avoid using it to describe social behavior, opting for "more formal" instead. This guide highlights the phrase's proper usage, common errors, and provides semantically similar alternatives for enriched writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
stiffer
This is the comparative form of "stiff" and is the most direct synonym.
less flexible
This conveys the same meaning by describing the absence of flexibility.
more rigid
This alternative focuses on the unyielding nature of the subject.
more firm
This suggests a greater degree of solidity or resistance to bending.
more unyielding
This alternative emphasizes the inability to be moved or bent.
more inflexible
Similar to "less flexible", this directly states the lack of flexibility.
more taut
This alternative conveys a sense of tightness and tension.
more solid
This suggests greater density and resistance to deformation.
harder
A more general term indicating increased resistance to pressure or force.
more tense
This focuses on the state of being stretched or strained.
FAQs
How can I use "more stiff" in a sentence?
You can use "more stiff" to compare the rigidity of two or more objects. For example: "The new material is "more stiff" than the old one", or "The board became "more stiff" after being left in the cold".
What is a good substitute for "more stiff"?
Depending on the context, you can use "stiffer", "less flexible", or "more rigid".
Is there a difference between "more stiff" and "stiffer"?
While both are grammatically correct, "stiffer" is the comparative form of "stiff" and often sounds more natural. "More stiff" is also acceptable and emphasizes the degree of difference.
When should I avoid using the phrase "more stiff"?
Avoid using "more stiff" in contexts where you mean to describe social behavior or formality. Instead, opt for phrases like "more formal" or "more reserved".
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested