Cool MatePerfect vs Perfectly
When to use each in English, with meaning, register, and examples.
Perfect
Perfectly
| Perfect | Perfectly | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ˈpɜːfɪkt/"]/🇺🇸 /["/ˈpɜːrfɪkt/"]/ | 🇬🇧 /["/ˈpɜːfɪktli/"]/🇺🇸 /["/ˈpɜːrfɪktli/"]/ |
| Meaning | Something that is completely without errors or faults. | In a way that is completely correct or ideal. |
| Example | Her performance was simply perfect, impressing everyone in the audience. | She performed the dance perfectly, impressing everyone in the audience. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 2,000 (common) |
| CEFR level | A1 | B1 |
| Part of speech | adjective | adverb |
| Collocations | be, look, seem, absolutely, completely, just, for, be, look, seem, absolutely, completely, just, for, be, look, seem, absolutely, completely, just, for, be, look, seem, absolutely, completely, just, for, be, look, seem, absolutely, completely, just, for | perform perfectly, fit perfectly, align perfectly, speak perfectly, understand perfectly |
| Antonyms | imperfect, flawed, faulty | imperfectly, faultily, defectively |
| Common mistakes | 'Perfect' used to describe something good but not flawless., Confusing 'perfect' with 'almost perfect'., Using 'perfect' as a noun instead of an adjective. | Confused with 'perfect' (adjective) instead of 'perfectly' (adverb)., Using 'perfectly' when 'well' is more appropriate., Overusing 'perfectly' in contexts that don't require emphasis. |
| Usage notes | Use '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. |
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Frequently asked questions: Perfect vs Perfectly
What's the difference between Perfect and Perfectly?
Perfect: Something that is completely without errors or faults. Perfectly: In a way that is completely correct or ideal.
Which is more common: Perfect and Perfectly?
Perfect is the most common in everyday English.
Which is more advanced: Perfect and Perfectly?
Perfectly is the highest level, at B1, on the CEFR scale.
Are Perfect and Perfectly the same CEFR level?
Perfect: A1, Perfectly: B1 on the CEFR scale.
What part of speech are Perfect and Perfectly?
Perfect: adjective, Perfectly: adverb.
Can you show an example of each?
Perfect: Her performance was simply perfect, impressing everyone in the audience. Perfectly: She performed the dance perfectly, impressing everyone in the audience.
Can I use Perfect and Perfectly interchangeably?
Not always. Perfect and Perfectly are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.