Confident vs You are sure of this

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

Confident

Top 1,000 (very common)B1adjective

You are sure of this

Top 5,000 (fairly common)
Most common: Confident
 ConfidentYou are sure of this
Pronunciation🇬🇧 //ˈkɒn.fɪ.dənt//🇺🇸 //ˈkɑːn.fɪ.dənt//🇬🇧 //jʊ ɑːr ʃʊə ɒv ðɪs//🇺🇸 //ju ɑr ʃʊr ʌv ðɪs//
MeaningFeeling sure about yourself and your abilities.You believe this with confidence.
ExampleShe was confident during her presentation.You are sure of this because you have seen the evidence.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 5,000 (fairly common)
CEFR levelB1-
Part of speechadjective
Collocationsconfident attitude, confident speaker, confident approach, confident smilebe sure of something, make sure of this, not sure of this, feel sure of this, are you sure of this
Antonymsinsecure, doubtful, unsure-
Common mistakesConfusing with 'confidence' which is the noun form., Using 'confident' to describe objects instead of people., Confusing 'confident' with 'arrogant', which has a negative connotation.Confusing with 'You are sure about this'., Using 'of' instead of 'about' incorrectly., Saying 'You sure of this?' instead of 'Are you sure of this?'
Usage notesUse 'confident' to describe someone who believes in their skills. Generally appropriate in both formal and informal contexts.Used in conversations where someone seeks confirmation. Suitable for both written and spoken contexts. Can be informal in casual discussions.

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You are sure of this

Frequently asked questions: Confident vs You are sure of this

What's the difference between Confident and You are sure of this?

Confident: Feeling sure about yourself and your abilities. You are sure of this: You believe this with confidence.

Which is more common: Confident and You are sure of this?

Confident is the most common in everyday English.

Can you show an example of each?

Confident: She was confident during her presentation. You are sure of this: You are sure of this because you have seen the evidence.

Can I use Confident and You are sure of this interchangeably?

Not always. Confident and You are sure of this 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.

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