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
rigid criteria
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "rigid criteria" is correct and usable in written English.
It can be used when referring to strict and inflexible standards or rules that must be followed. Example: "The selection process for the scholarship was based on rigid criteria that left little room for exceptions."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(17)
strict guidelines
stringent requirements
flexible criteria
precise specifications
solid criteria
tough criteria
stringent criteria
strict criteria
rigorous stipulations
strict requirements
demanding prerequisites
restrictive quality
stringent standard
rigid choices
limited alternatives
narrowed choices
flexible choices
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
37 human-written examples
Instead, the fund should refuse to make loans of any kind to nations that do not meet certain rigid criteria.
News & Media
According to the report, catchily titled Socio-Economic Diversity in Life Sciences and Investment Banking, such rigid criteria have "set up barriers for individuals from non-privileged backgrounds".
News & Media
A site slated for a manufacturing plant, for example, would have to meet less rigid criteria than a site slated for a school.
News & Media
"The flaw with the early years quality fund was not its objective, but the inadequate funding and rigid criteria which resulted in inequitable outcomes of 70% of the sector missing out on funding for wage supplements," she said.
News & Media
He had blind spots, particularly for 20th-century buildings which did not meet his initially rather rigid criteria for what constituted "modern".
News & Media
Finding a craftsman and designing a stone that did not fall foul of the church's rather rigid criteria took three years.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
22 human-written examples
A more rigid criterion, impracticability, is used, which refers to a level of difficulty that would make it virtually impossible to carry out the study.
We have followed a rigid criterion while demarcating regions by drawing borders through a penetration site where the movements of two body parts were evoked (see also Sanes et al., 1990).
A report from Breast Cancer Research Group in Ontario, Canada, indicates that tests with a rigid criterion in detecting metastases in <1% of patients have a significant false-positive rate are not clinically useful [ 29].
Science
Although no rigid criterion or hemoglobin value was adopted for transfusion, PRBC were not routinely considered until serum Hb was less than 7 g/dl, unless there was evidence of ongoing blood loss or the patient was clinically considered at risk of poor oxygenation.
In Figure 6 the maximum entropy for the gene increases as q decreases, taking the limit as q → 0. Indeed, when q ≈ 0, S q(v i) will be significantly different of for P v i = 1) ≈ 0 or P v i = 1) ≈ 1, which means a very rigid criterion in the sense that, either the predictor candidates fulfill all the constraints imposed by the data or they can not be selected as predictors.
Science
Expert writing Tips
Best practice
When using "rigid criteria", ensure that the context clearly defines what aspects are inflexible and why these specific standards are necessary.
Common error
Avoid applying "rigid criteria" without considering potential unintended consequences. Overly strict standards can exclude qualified candidates or stifle innovation.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "rigid criteria" functions as a noun phrase, where 'rigid' modifies 'criteria'. It typically serves to specify and emphasize the strict and inflexible nature of the standards or rules being referenced. Ludwig AI confirms its correct usage across various contexts.
Frequent in
Science
37.5%
News & Media
31.25%
Formal & Business
9.375%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "rigid criteria" is a noun phrase used to describe strict and inflexible standards. Ludwig AI validates its correct usage, showing its prevalence in scientific, news, and business contexts. When employing this phrase, consider the impact of inflexibility and ensure clarity in what aspects are "rigid". Alternatives include "strict guidelines" or "inflexible standards". Be mindful of potential unintended consequences of overly strict standards, which can exclude otherwise qualified candidates or stifle innovation. Using "rigid criteria" effectively involves recognizing the need for consistency versus adaptability in specific situations.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
strict guidelines
Emphasizes the prescriptive nature of the criteria, focusing on guidance that must be followed closely.
inflexible standards
Highlights the lack of adaptability in the criteria, stressing that they cannot be easily modified.
stringent requirements
Stresses the demanding nature of the criteria, suggesting they are rigorous and difficult to meet.
firm prerequisites
Focuses on the criteria as necessary conditions that must be satisfied beforehand.
fixed regulations
Implies the criteria are established rules that are unlikely to change.
unyielding stipulations
Highlights the uncompromising nature of the criteria, suggesting they are resistant to negotiation.
set parameters
Suggests clearly defined limits or boundaries that must be adhered to.
hard and fast rules
Emphasizes the clarity and immutability of the criteria.
precise specifications
Focuses on the detailed and exact nature of the criteria.
non-negotiable terms
Underscores the inflexibility of the criteria, indicating they are not open to alteration.
FAQs
How can I effectively use "rigid criteria" in a sentence?
Use "rigid criteria" to describe rules or standards that are strictly enforced and do not allow for exceptions. For instance, "The scholarship selection process involves "rigid criteria", focusing solely on academic merit".
What phrases can I use instead of "rigid criteria"?
Alternatives to "rigid criteria" include "strict guidelines", "inflexible standards", or "stringent requirements", depending on the specific nuance you want to convey.
When is it appropriate to use "rigid criteria"?
Use "rigid criteria" when you want to emphasize the strict and unyielding nature of certain rules or requirements. This is often appropriate in formal contexts where consistency and adherence to standards are paramount.
What's the difference between "rigid criteria" and "flexible criteria"?
"Rigid criteria" refer to inflexible and strict standards, while "flexible criteria" allow for adaptation and exceptions based on individual circumstances. The choice depends on whether consistency or adaptability is more important in a given situation.
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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested