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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a big assumption
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a big assumption" is correct and usable in written English.
It can be used when discussing a belief or conclusion that is based on insufficient evidence or reasoning. Example: "Making a big assumption about someone's intentions can lead to misunderstandings and conflict."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
a major premise
a risky hypothesis
a sweeping generalization
a fundamental tenet
a bold conjecture
a questionable inference
an optimistic forecast
a large assumption
a huge assumption
a strong assumption
a big hypothesis
a fundamental assumption
a big possibility
a major assumption
a significant assumption
a main assumption
a broad assumption
a higher assumption
a greater assumption
a broader 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
35 human-written examples
This is a big assumption.
News & Media
That may be a big assumption.
News & Media
But this is a big assumption.
News & Media
And that's making a big assumption, too.
News & Media
PHILIP GOUREVITCH: I think that's a big assumption.
News & Media
"But it's a big assumption to make at this point".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
23 human-written examples
This is a very big assumption.
News & Media
But that could be a fairly big assumption.
News & Media
"It's a very big assumption that just because he wants to pull troops out, he'll be able to do it," he said.
News & Media
There's a very big assumption baked into the analysis.
News & Media
You see what I mean, so you could do that for everyone and you can work out based on that kind of idea a tariff based on the big assumption that they actually already have the infrastructure to be CSAG compliant.
Science
Expert writing Tips
Best practice
Qualify "a big assumption" with phrases like "assuming that" or "under the premise that" to clearly signal that you are presenting something uncertain.
Common error
Avoid presenting "a big assumption" as a fact. Always acknowledge its potential limitations and the consequences if it proves false.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a big assumption" functions as a noun phrase that typically serves as a subject complement or object within a sentence. It highlights a premise or belief that is significant and potentially questionable, as illustrated by Ludwig examples.
Frequent in
News & Media
65%
Science
20%
Formal & Business
5%
Less common in
Academia
3%
Encyclopedias
1%
Wiki
1%
Ludwig's WRAP-UP
The phrase "a big assumption" is a grammatically sound noun phrase used to highlight a significant, potentially questionable premise, as confirmed by Ludwig AI. Its function is to express doubt and prompt critical evaluation in neutral to professional registers. Predominantly found in News & Media and Science contexts, it serves to challenge the validity of arguments and plans. When employing this phrase, acknowledge its limitations and qualify the assumption, preventing its presentation as a hard fact. Remember, failing to do so can lead to misunderstandings and flawed conclusions.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a major premise
Replaces "assumption" with "premise", emphasizing the foundational nature of the belief.
a crucial presupposition
Substitutes "big" with "crucial" and "assumption" with "presupposition", highlighting the importance and underlying nature.
a significant supposition
Replaces "assumption" with "supposition" and "big" with "significant", indicating importance and conjecture.
a fundamental tenet
Substitutes "assumption" with "tenet" and "big" with "fundamental", indicating a core belief or principle.
a bold conjecture
Replaces "assumption" with "conjecture" and "big" with "bold", emphasizing the speculative and risky nature.
a risky hypothesis
Substitutes "assumption" with "hypothesis" and "big" with "risky", highlighting the uncertain outcome.
a sweeping generalization
Replaces "assumption" with "generalization" and "big" with "sweeping", suggesting a broad, possibly inaccurate claim.
a questionable inference
Replaces "assumption" with "inference" and "big" with "questionable", indicating doubt or uncertainty.
a precarious belief
Replaces "assumption" with "belief" and "big" with "precarious", highlighting the instability or unreliability.
an optimistic forecast
Implies that the assumption leans towards a positive prediction, which may or may not be grounded in reality.
FAQs
How can I use "a big assumption" in a sentence?
You can use "a big assumption" to point out a potentially flawed premise in an argument or plan. For example, "Assuming that the economy will improve is "a big assumption" given the current circumstances."
What phrases are similar to "a big assumption"?
Similar phrases include "a major premise", "a risky hypothesis", or "a sweeping generalization", all of which imply a degree of uncertainty or risk.
Is it always negative to describe something as "a big assumption"?
Not necessarily. While it often implies doubt, describing something as "a big assumption" can also serve as a neutral observation, prompting further investigation or qualification. The tone depends on the context.
What's the difference between "a big assumption" and "a small assumption"?
"A small assumption" suggests a minor, perhaps inconsequential, premise. Conversely, "a big assumption" implies a significant premise upon which much depends, and whose failure would have major consequences.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested