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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
ounce of doubt
Grammar usage guide and real-world examplesUSAGE SUMMARY
"ounce of doubt" is a correct and usable phrase in written English.
It is typically used to denote a very small amount of doubt or uncertainty. For example, "Despite minor issues, I had no ounce of doubt that the project would be a success."
✓ Grammatically correct
News & Media
Wiki
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
6 human-written examples
"There was not an ounce of doubt in my mind about it," he told me.
News & Media
"There's not one ounce of doubt about what I've done," insisted his owner.
News & Media
If you get home one evening and realize you have a stack of Post-its in your bag that you could really use to leave notes for the babysitter, you're probably not going to raise any eyebrows (or suspicion), but if there's ever an ounce of doubt about what you're taking — on purpose or otherwise — the only answer is not to do it.
News & Media
I don't want to let even an ounce of doubt come out of my mouth.
News & Media
Dave Roberts made the declaration with conviction, not an ounce of doubt in his voice, Sunday morning: Corey Seager, the Dodgers' All-Star shortstop who hasn't played since undergoing elbow ligament-replacement surgery in May, will play on opening day.
News & Media
If you had even an ounce of doubt, you are most likely going to lose her.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
"If we have one ounce of self doubt or apathy, things are not gonna change".
News & Media
Pamela Campos LatinasThinkBigg @NewLatina Pam's talk gave everyone listening permission to own the room, to KNOW you belong and to act powerfully, without an ounce of self-doubt.
News & Media
"I looked around the locker room, and there was not one ounce of panic or doubt," Teel said of the Rutgers players at halftime.
News & Media
But during all of these medical procedures, she and my dad rarely showed an ounce of weakness or doubt that she wouldn't heal and get better.
News & Media
"I've always been told that I'm sexy," Honor Blackman says without an ounce of false modesty or doubt.
News & Media
Expert writing Tips
Best practice
Use "ounce of doubt" to emphasize the near absence of uncertainty, strengthening your statement's conviction. For example, "Despite the challenges, there wasn't an "ounce of doubt" in her mind that she would succeed".
Common error
Avoid using "ounce of doubt" when there is substantial uncertainty or conflicting information. This phrase is best suited for scenarios where doubt is minimal or almost non-existent. Overusing it can weaken your argument and credibility.
Source & Trust
80%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "ounce of doubt" functions as a noun phrase that quantifies the degree of uncertainty. According to Ludwig AI, it expresses a very small or minimal amount of doubt. This is reflected in the examples provided, where it often appears in contexts denying any significant uncertainty.
Frequent in
News & Media
66%
Wiki
16%
Science
8%
Less common in
Academia
0%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "ounce of doubt" is a noun phrase used to express the near absence of uncertainty. As Ludwig AI confirms, the phrase is grammatically correct and conveys a very small amount of doubt. It is most frequently found in News & Media and Wiki sources, reflecting a neutral register. When aiming to emphasize conviction, consider using "ounce of doubt" to underscore the minimal level of uncertainty. Remember to use it correctly and keep in mind suitable alternative phrases like "shred of doubt" or "hint of doubt" for similar effects.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
drip of doubt
Replaces "ounce" with "drip", suggesting a very minimal and almost unnoticeable level of doubt.
shred of doubt
Substitutes "ounce" with "shred", emphasizing a small, fragmented piece of doubt.
modicum of doubt
Uses "modicum" to replace "ounce", indicating a small quantity or degree of doubt in a more formal manner.
bit of doubt
Employs "bit" instead of "ounce", offering a simpler and more common way to express a small amount of doubt.
iota of doubt
Replaces "ounce" with "iota", highlighting an extremely small, almost negligible amount of doubt.
hint of doubt
Uses "hint" instead of "ounce", suggesting a subtle or indirect indication of doubt.
drop of doubt
Similar to "drip of doubt", "drop of doubt" suggests a very small and insignificant amount of doubt.
evidence of doubt
Shifts the focus to the presence of evidence suggesting doubt, rather than the quantity of doubt itself.
shadow of a doubt
Indicates any presence of uncertainty
grain of doubt
Replaces "ounce" with "grain", implying an extremely small and almost imperceptible amount of doubt.
FAQs
How can I use "ounce of doubt" in a sentence?
The phrase "ounce of doubt" is used to express a very small amount of uncertainty. For example, you might say, "Despite the risks, I didn't have an "ounce of doubt" that we would succeed", to convey complete conviction.
What phrases are similar to "ounce of doubt"?
Alternatives to "ounce of doubt" include "shred of doubt", "hint of doubt", or "iota of doubt", each suggesting a minimal level of uncertainty.
Is it correct to say "an ounce of doubts" instead of "an ounce of doubt"?
No, the correct form is "an ounce of doubt". "Doubt" is typically used as an uncountable noun in this context, so it does not take a plural form.
What's the difference between "an ounce of doubt" and "a shadow of a doubt"?
"An ounce of doubt" refers to a very small amount of uncertainty, while "a shadow of a doubt" often suggests any presence of uncertainty, regardless of how small.
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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
80%
Authority and reliability
4.1/5
Expert rating
Real-world application tested