Convinced vs You are sure of this

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

Convinced

Top 2,000 (common)B2adjective

You are sure of this

Top 5,000 (fairly common)
Most common: Convinced
 ConvincedYou are sure of this
Pronunciation🇬🇧 /["/kənˈvɪnst/"]/🇺🇸 /["/kənˈvɪnst/"]/🇬🇧 //jʊ ɑːr ʃʊə ɒv ðɪs//🇺🇸 //ju ɑr ʃʊr ʌv ðɪs//
MeaningTo believe strongly that something is true or correct.You believe this with confidence.
ExampleShe was convinced that she could win the competition.You are sure of this because you have seen the evidence.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 5,000 (fairly common)
CEFR levelB2-
Part of speechadjective
Collocationsappear, be, feel, absolutely, completely, fully, ofbe sure of something, make sure of this, not sure of this, feel sure of this, are you sure of this
Antonymsunconvinced, doubtful, skeptical-
Common mistakesUsing 'convince' instead of 'convinced' as an adjective., Confusing 'convinced' with 'persuaded' when only one person believes., Omitting the object when using 'convinced'.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 'convinced' in both formal and informal contexts. It's often followed by 'that' when expressing what someone believes ('convinced that...'). Avoid using in overly casual contexts where slang is preferred.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: Convinced vs You are sure of this

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

Convinced: To believe strongly that something is true or correct. You are sure of this: You believe this with confidence.

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

Convinced is the most common in everyday English.

Can you show an example of each?

Convinced: She was convinced that she could win the competition. You are sure of this: You are sure of this because you have seen the evidence.

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

Not always. Convinced 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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