Suspicion vs We have a reasonable doubt

When to use each in English, with meaning, register, and examples.

Suspicion

Top 3,000 (common)C1noun

We have a reasonable doubt

FormalBeyond 10,000 (less common)
Most formal: We have a reasonable doubtMost common: Suspicion
 SuspicionWe have a reasonable doubt
Pronunciation🇬🇧 /["/səˈspɪʃn/"]/🇺🇸 /["/səˈspɪʃn/"]/🇬🇧 //wiː hæv ə ˈriːzənəbl daʊt//🇺🇸 //wi hæv ə ˈrizənəbl daʊt//
MeaningA feeling that something is wrong or not true.We think something might not be true.
ExampleShe felt a strong suspicion that someone was hiding the truth.The jury concluded there was a __we have a reasonable doubt__ about the defendant's guilt.
RegisterNeutralFormal
How commonTop 3,000 (common)Beyond 10,000 (less common)
CEFR levelC1-
Part of speechnoun
Collocationsstrong, considerable, deep, degree, level, entertain, harbour/​harbor, have, arise, exist, linger, above suspicion, beyond suspicion, on suspicion of, the finger of suspicion, grounds for suspicion, an object of suspicion, strong, considerable, deep, degree, level, entertain, harbour/​harbor, have, arise, exist, linger, above suspicion, beyond suspicion, on suspicion of, the finger of suspicion, grounds for suspicion, an object of suspicion, strong, considerable, deep, degree, level, entertain, harbour/​harbor, have, arise, exist, linger, above suspicion, beyond suspicion, on suspicion of, the finger of suspicion, grounds for suspicion, an object of suspicionbeyond reasonable doubt, establish reasonable doubt, raise reasonable doubt
Antonymstrust, confidencecertainty, conviction, confidence, surety
Common mistakesConfused with 'suspect' which is a verb., Using 'suspicion' as a countable noun incorrectly., Mixing it up with 'distrust', which has a different meaning.Confused with 'reasonable certainty'., Using it in everyday contexts outside the legal system., Misusing it to suggest complete disbelief.
Usage notesUse 'suspicion' when you think something might be bad or wrong, often without proof. It's appropriate in serious contexts but less suitable in casual conversation.Used mainly in legal contexts to indicate uncertainty about a person's guilt. Not suitable for casual conversations.

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We have a reasonable doubt

Frequently asked questions: Suspicion vs We have a reasonable doubt

What's the difference between Suspicion and We have a reasonable doubt?

Suspicion: A feeling that something is wrong or not true. We have a reasonable doubt: We think something might not be true.

Which is more formal: Suspicion and We have a reasonable doubt?

We have a reasonable doubt is the most formal of these.

Which is more common: Suspicion and We have a reasonable doubt?

Suspicion is the most common in everyday English.

Can you show an example of each?

Suspicion: She felt a strong suspicion that someone was hiding the truth. We have a reasonable doubt: The jury concluded there was a __we have a reasonable doubt__ about the defendant's guilt.

Can I use Suspicion and We have a reasonable doubt interchangeably?

Not always. Suspicion 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.

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