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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
unwarranted assumption
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "unwarranted assumption" is correct and usable in written English.
It can be used to describe a belief or conclusion that is not supported by evidence or justification. Example: "The argument presented was based on an unwarranted assumption that everyone would agree with the proposed solution."
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(20)
crass assumption
serious assumption
gross assumption
unwarranted speculation
considerable assumption
unfair assumption
unfounded assumption
outrageous assumption
sweeping generalization
improper assumption
premature assumption
severe assumption
oversimplified assumption
wild guess
gross speculation
baseless presumption
egregious assumption
naive assumption
hasty generalization
massive assumption
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
20 human-written examples
(We seem to be making the unwarranted assumption that Al Qaeda's next attack will again be by plane).
News & Media
Justice Breyer's unwarranted assumption about the Narragansett's membership, even if true, would therefore also be irrelevant to whether the Secretary's actions were proper.
Academia
Am I making an unwarranted assumption in thinking that the irresistible chorus of the song "something's cooking in the kitchen tonight" could infer rising temperatures in the bedroom?
News & Media
This relates to an unwarranted assumption in Herring's original derivation, that no interactions occur between the grain boundaries that make up a TJ.
Science
That was an unwarranted assumption, Justice Kennedy said, adding, "Even upon the assumption that the government has an interest in substituting itself for informed and empowered parents, its interest is not sufficiently compelling to justify this widespread restriction on speech".
News & Media
But human infants have no conception of God or of moral, logical, or mathematical truths, and to suppose that they do, despite obvious evidence to the contrary, is merely an unwarranted assumption to save a position.
Encyclopedias
Human-verified similar examples from authoritative sources
Similar Expressions
40 human-written examples
This is helpful in detecting missing requirements or unwarranted assumptions about the specification of the system.
Weeks later he produced a 190-page report accusing O'Loan of 'inaccuracies, unwarranted assumptions and misunderstandings'.
News & Media
It said key intelligence reports made unwarranted assumptions and overstated what was then known about Hussein's weapons programs.
News & Media
This article argues that these interventions are often based on unwarranted assumptions about the relationship between resources, conflict and governance.
For instance, unwarranted assumptions can be made about the impact of training on operator behaviour in emergency situations.
Expert writing Tips
Best practice
When using the phrase "unwarranted assumption", ensure you clearly articulate why the assumption is unwarranted. Provide specific reasons or evidence to support your claim.
Common error
Avoid simply stating that something is an "unwarranted assumption" without explaining why. Back up your assertion with logical reasoning or factual data to make your argument more persuasive.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "unwarranted assumption" functions as a noun phrase, where "unwarranted" is an adjective modifying the noun "assumption". It describes a specific type of assumption that is not justified or supported by evidence. Ludwig AI confirms its accurate usage.
Frequent in
News & Media
30%
Science
40%
Academia
15%
Less common in
Encyclopedias
5%
Wiki
5%
Formal & Business
5%
Ludwig's WRAP-UP
The phrase "unwarranted assumption" is a commonly used and grammatically correct expression used to denote a belief or idea lacking proper justification or evidence. As Ludwig AI confirms, it is employed across diverse contexts, including news, science, and academia. When using this phrase, it's best practice to provide specific reasoning to support your claim. Alternatives such as "baseless assumption" or "unjustified belief" can be used depending on the nuance you intend to convey. Be sure to avoid simply stating an assumption is unwarranted without providing supporting evidence.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
unjustified assumption
Focuses on the lack of justification for the assumption.
baseless assumption
Highlights the absence of a solid foundation or basis for the assumption.
groundless assumption
Emphasizes the lack of grounds or reasons to support the assumption.
unfounded assumption
Stresses that the assumption is not based on any reliable information or facts.
unsubstantiated assumption
Indicates that the assumption has not been proven or supported by evidence.
unproven assumption
Highlights the lack of proof or verification for the assumption.
gratuitous assumption
Suggests the assumption is unnecessary and adds nothing of value.
unreasonable assumption
Implies the assumption is not logical or rational.
unwarranted inference
Similar to assumption, but refers to a conclusion reached based on insufficient evidence.
premature assumption
Suggests the assumption was made too early, before all the facts were known.
FAQs
How can I use "unwarranted assumption" in a sentence?
You can use "unwarranted assumption" to point out a belief or idea that lacks evidence or justification. For example, "The study's conclusion is based on an "unwarranted assumption" that the sample population is representative of the entire country".
What's the difference between "unwarranted assumption" and "unfounded assumption"?
Both phrases describe assumptions lacking a solid basis. "Unwarranted assumption" suggests the assumption isn't justified, while "unfounded assumption" emphasizes the absence of factual support.
What can I say instead of "unwarranted assumption"?
Alternatives include "baseless assumption", "unjustified belief", or "groundless assumption". The best choice depends on the specific context and the nuance you want to convey.
Is it always negative to make an "unwarranted assumption"?
Yes, using the phrase "unwarranted assumption" typically carries a negative connotation. It suggests that someone is operating under a mistaken belief or making a conclusion without sufficient evidence.
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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
4.5/5
Expert rating
Real-world application tested