Criterion vs Principle
When to use each in English, with meaning, register, and examples.
| Criterion | Principle | |
|---|---|---|
| Meaning | A standard or rule used to judge something. | A basic truth or rule that guides behavior |
| Register | formal | - |
| CEFR level | B2 | B2 |
| Part of speech | noun | noun |
| Usage notes | Used primarily in academic or professional contexts to establish standards. Avoid in casual conversation unless discussing evaluations. | Used in discussions about ethics, laws, or personal beliefs. Avoid using in casual conversations to maintain clarity, as 'principle' can be confused with 'principal', which refers to a person in a position of authority. |
Frequently asked questions: Criterion vs Principle
What's the difference between "Criterion" and "Principle"?
"Criterion" means: A standard or rule used to judge something. "Principle" means: A basic truth or rule that guides behavior
When should I use "Criterion" and "Principle"?
"Criterion" is formal.
Are "Criterion" and "Principle" the same CEFR level?
"Criterion" is at B2, "Principle" is at B2 on the CEFR scale.