Risk vs Uncertainty

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

 RiskUncertainty
Meaningthe chance of something bad happeningNot being sure about something.
CEFR levelB1B2
Part of speechnounnoun
Usage notesCommonly used in both formal and informal contexts. When discussing financial matters, 'risk' is frequent; however, it may not be appropriate in casual conversation about personal matters unless framed carefully.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.

Frequently asked questions: Risk vs Uncertainty

What's the difference between "Risk" and "Uncertainty"?

"Risk" means: the chance of something bad happening "Uncertainty" means: Not being sure about something.

When should I use "Risk" and "Uncertainty"?

They can all be used in everyday English.

Are "Risk" and "Uncertainty" the same CEFR level?

"Risk" is at B1, "Uncertainty" is at B2 on the CEFR scale.

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