Presume vs Suppose

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

 PresumeSuppose
MeaningTo think something is true without proof.to think something is true, especially for planning.
CEFR levelC1A2
Part of speechverbverb
Usage notesUse 'presume' when you're making a reasonable guess based on available information. Avoid in formal situations that require certainty. Suitable for casual conversations.Typically used in situations where you're making assumptions or predictions. It's less appropriate in formal writing. In casual talks, it can indicate uncertainty.

Frequently asked questions: Presume vs Suppose

What's the difference between "Presume" and "Suppose"?

"Presume" means: To think something is true without proof. "Suppose" means: to think something is true, especially for planning.

When should I use "Presume" and "Suppose"?

They can all be used in everyday English.

Are "Presume" and "Suppose" the same CEFR level?

"Presume" is at C1, "Suppose" is at A2 on the CEFR scale.

Related comparisons