Legitimate vs Valid

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

 LegitimateValid
MeaningReal or acceptable; not false.Something that is true or acceptable.
Registerformal-
CEFR levelC1B2
Part of speechadjectiveadjective
Usage notesUse 'legitimate' in formal contexts to describe authenticity or legality. Avoid in very casual conversations.Use 'valid' to describe something that is lawful or logically sound. Avoid using in informal contexts.

Frequently asked questions: Legitimate vs Valid

What's the difference between "Legitimate" and "Valid"?

"Legitimate" means: Real or acceptable; not false. "Valid" means: Something that is true or acceptable.

When should I use "Legitimate" and "Valid"?

"Legitimate" is formal.

Are "Legitimate" and "Valid" the same CEFR level?

"Legitimate" is at C1, "Valid" is at B2 on the CEFR scale.

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