Uncertainty vs We have a reasonable doubt
When to use each in English, with meaning, register, and examples.
Uncertainty
We have a reasonable doubt
| Uncertainty | We have a reasonable doubt | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ʌnˈsɜːtnti/"]/🇺🇸 /["/ʌnˈsɜːrtnti/"]/ | 🇬🇧 //wiː hæv ə ˈriːzənəbl daʊt//🇺🇸 //wi hæv ə ˈrizənəbl daʊt// |
| Meaning | Not being sure about something. | We think something might not be true. |
| Example | The uncertainty about the future made it difficult for her to make long-term plans. | The jury concluded there was a __we have a reasonable doubt__ about the defendant's guilt. |
| Register | Neutral | Formal |
| How common | Top 1,000 (very common) | Beyond 10,000 (less common) |
| CEFR level | B2 | - |
| Part of speech | noun | |
| Collocations | considerable, great, high, amount, degree, element, cause, create, generate, surround something, exist, remain, uncertainty about, uncertainty as to, uncertainty in, an area of uncertainty, an atmosphere of uncertainty, a climate of uncertainty, considerable, great, high, amount, degree, element, cause, create, generate, surround something, exist, remain, uncertainty about, uncertainty as to, uncertainty in, an area of uncertainty, an atmosphere of uncertainty, a climate of uncertainty | beyond reasonable doubt, establish reasonable doubt, raise reasonable doubt |
| Antonyms | certainty, assurance, confidence | certainty, conviction, confidence, surety |
| Common mistakes | Confusing 'uncertainty' with 'insecurity' which has different meanings., Using 'uncertainty' in situations that require more concrete terms., Not differentiating between 'uncertainty' as a state and the causes of that uncertainty. | Confused with 'reasonable certainty'., Using it in everyday contexts outside the legal system., Misusing it to suggest complete disbelief. |
| Usage notes | Use 'uncertainty' in formal discussions, such as scientific or academic contexts. Avoid it in casual conversations where simpler words like 'doubt' may be more appropriate. | Used mainly in legal contexts to indicate uncertainty about a person's guilt. Not suitable for casual conversations. |
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Frequently asked questions: Uncertainty vs We have a reasonable doubt
What's the difference between Uncertainty and We have a reasonable doubt?
Uncertainty: Not being sure about something. We have a reasonable doubt: We think something might not be true.
Which is more formal: Uncertainty and We have a reasonable doubt?
We have a reasonable doubt is the most formal of these.
Which is more common: Uncertainty and We have a reasonable doubt?
Uncertainty is the most common in everyday English.
Can you show an example of each?
Uncertainty: The uncertainty about the future made it difficult for her to make long-term plans. We have a reasonable doubt: The jury concluded there was a __we have a reasonable doubt__ about the defendant's guilt.
Can I use Uncertainty and We have a reasonable doubt interchangeably?
Not always. Uncertainty and We have a reasonable doubt are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.