Confident vs Sure about that

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

Confident

Top 1,000 (very common)B1adjective

Sure about that

Top 3,000 (common)
Most common: Confident
 ConfidentSure about that
Pronunciation🇬🇧 //ˈkɒn.fɪ.dənt//🇺🇸 //ˈkɑːn.fɪ.dənt//🇬🇧 //ʃʊə əˈbaʊt ðæt//🇺🇸 //ʃʊr əˈbaʊt ðæt//
MeaningFeeling sure about yourself and your abilities.Confident in something or having no doubt.
ExampleShe was confident during her presentation.I am sure about that decision we made last week.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 3,000 (common)
CEFR levelB1-
Part of speechadjective
Collocationsconfident attitude, confident speaker, confident approach, confident smilesure about something, not sure about that, be sure about it
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.Using with a negative without proper context., Confusing with 'sure of' which can imply a different nuance., Incorrect intonation may change the meaning.
Usage notesUse 'confident' to describe someone who believes in their skills. Generally appropriate in both formal and informal contexts.Use in conversations to express confidence or assurance. It is appropriate in both formal and informal settings. Avoid using it when unsure.

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Sure about that

Frequently asked questions: Confident vs Sure about that

What's the difference between Confident and Sure about that?

Confident: Feeling sure about yourself and your abilities. Sure about that: Confident in something or having no doubt.

Which is more common: Confident and Sure about that?

Confident is the most common in everyday English.

Can you show an example of each?

Confident: She was confident during her presentation. Sure about that: I am sure about that decision we made last week.

Can I use Confident and Sure about that interchangeably?

Not always. Confident and Sure about that 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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