Criterion vs Parameter

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

 CriterionParameter
MeaningA standard or rule used to judge something.A factor or limit that helps define a situation or condition.
Registerformalformal
CEFR levelB2C1
Part of speechnounnoun
Usage notesUsed primarily in academic or professional contexts to establish standards. Avoid in casual conversation unless discussing evaluations.Commonly used in scientific, technical, and academic contexts. Avoid using in casual conversations as it may sound out of place.

Frequently asked questions: Criterion vs Parameter

What's the difference between "Criterion" and "Parameter"?

"Criterion" means: A standard or rule used to judge something. "Parameter" means: A factor or limit that helps define a situation or condition.

When should I use "Criterion" and "Parameter"?

"Criterion" is formal; "Parameter" is formal.

Are "Criterion" and "Parameter" the same CEFR level?

"Criterion" is at B2, "Parameter" is at C1 on the CEFR scale.

Related comparisons