Perfect vs Perfectly

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

 PerfectPerfectly
MeaningSomething that is completely without errors or faults.In a way that is completely correct or ideal.
CEFR levelA1B1
Part of speechadjectiveadverb
Usage notesUse 'perfect' to describe something that is ideal or flawless. It is appropriate in both formal and informal contexts but can sound exaggerated in casual conversations.Use 'perfectly' to emphasize that something is done in the best possible way. It's suitable for both spoken and written English, but avoid it in overly casual contexts.

Frequently asked questions: Perfect vs Perfectly

What's the difference between "Perfect" and "Perfectly"?

"Perfect" means: Something that is completely without errors or faults. "Perfectly" means: In a way that is completely correct or ideal.

When should I use "Perfect" and "Perfectly"?

They can all be used in everyday English.

Are "Perfect" and "Perfectly" the same CEFR level?

"Perfect" is at A1, "Perfectly" is at B1 on the CEFR scale.

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