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
until proved otherwise
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'until proved otherwise' is correct and can be used in written English.
It is generally used when someone is making an assertion and wants to show that the statement is true until there is evidence to the contrary. For example: "It is generally accepted that the Earth is round, until proved otherwise."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(19)
barring any evidence to the contrary
until proven otherwise
until further notice
subject to change
until advised otherwise
until reported otherwise
for all intents and purposes
barring evidence to the contrary
until told otherwise
as it stands
absent evidence to the contrary
unless instructed differently
presumed to be
pending further investigation
pending new instructions
provisionally accepted
considered as such
unless evidence suggests otherwise
for the time being
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
55 human-written examples
That combination meant infection until proved otherwise.
News & Media
But until proved otherwise, he is a different golfer now.
News & Media
Pedro Martínez is a five-inning pitcher until proved otherwise.
News & Media
We assume that all persons with an insensate laryngopharynx aspirate thin liquids until proved otherwise.
Until proved otherwise, this is the likely provenance that should be stated on the labels.
News & Media
And until proved otherwise, that is what they will keep thinking.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
5 human-written examples
FDA must consider dietary supplements safe--unlike drugs or food additives--until proven otherwise.
Science & Research
I always see Brazil, until proven otherwise.
News & Media
Pulmonary (commonest – think neoplasm until proven otherwise).
Academia
Until proven otherwise, class actions deserve a cautious welcome.
News & Media
Krauthammer's Law: Everyone is Jewish until proven otherwise.
News & Media
Expert writing Tips
Best practice
Use "until proved otherwise" to clearly indicate that a statement or assumption holds true unless evidence contradicts it. This adds a layer of intellectual honesty and encourages critical thinking.
Common error
Avoid using "until proved otherwise" when the claim is already highly speculative or lacks initial supporting evidence. The phrase is most effective when applied to reasonably grounded assertions.
Source & Trust
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "until proved otherwise" functions as an adverbial phrase, modifying a verb or clause to indicate a condition that must be met for the statement to remain valid. Ludwig AI confirms its correct usage. It introduces a caveat, suggesting a temporary acceptance of a premise.
Frequent in
News & Media
74%
Science
17%
Encyclopedias
4%
Less common in
Academia
2%
Wiki
1%
Formal & Business
1%
Ludwig's WRAP-UP
The phrase "until proved otherwise" functions as an adverbial phrase indicating a provisional acceptance of a statement, valid unless contradictory evidence arises. Ludwig AI affirms its correct usage across a range of contexts. Predominantly found in news and media, it also appears in scientific and encyclopedic sources. When using the expression, avoid overstating certainty by applying it only to assertions grounded in reasonable evidence. Alternatives such as "unless evidence suggests otherwise" or "subject to change" can be employed for variety. "Until proven otherwise" is an accepted variant. In summary, the expression promotes a critical approach, acknowledging the potential for revised understanding in light of new information.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
unless evidence suggests otherwise
Emphasizes the conditional nature of the statement, focusing on the possibility of future evidence altering the current understanding.
barring any evidence to the contrary
Similar to "unless evidence suggests otherwise" but with a slightly more formal tone.
in the absence of contrary evidence
Highlights the lack of conflicting evidence as the basis for the current belief or assumption.
provisionally accepted
Highlights the tentative nature of the acceptance, emphasizing that it is not definitive.
pending further investigation
Suggests that the current state is temporary and subject to change based on ongoing or future inquiries.
presumed to be
Focuses on the act of presumption and its inherent uncertainty.
for the time being
Indicates that the current understanding is valid only for a limited duration or until a specific event occurs.
subject to change
Explicitly states that the current situation or belief is not fixed and may be modified in the future.
until further notice
Implies a temporary condition that will remain in effect until an official announcement changes it.
as it stands
Refers to the current situation or understanding without explicitly mentioning future changes.
FAQs
How can I use "until proved otherwise" in a sentence?
You can use "until proved otherwise" to indicate that something is assumed to be true unless there's evidence to the contrary. For example, "All new employees are considered probationary "until proved otherwise"".
What's a good alternative to "until proved otherwise"?
Alternatives include "unless evidence suggests otherwise", "in the absence of contrary evidence", or "subject to change", depending on the specific context.
Is it better to say "until proven otherwise" or "until proved otherwise"?
Both "proven" and "proved" are acceptable past participles of "prove". "Proved" is more common in British English, while "proven" is more common in American English. Therefore, both "until proven otherwise" and "until proved otherwise" are correct.
In what situations is "until proved otherwise" most appropriately used?
"Until proved otherwise" is best used when making a statement that relies on a current understanding or assumption, which might change with new evidence. It's often used in legal, scientific, and analytical contexts to indicate a provisional acceptance of a claim.
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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
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested