Smart vs You are brilliant

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

Smart

Top 1,000 (very common)B1adjective

You are brilliant

Top 2,000 (common)
Most common: Smart
 SmartYou are brilliant
Pronunciation🇬🇧 /["/smɑːt/"]/🇺🇸 /["/smɑːrt/"]/🇬🇧 //jʊ əˈbrɪljənt//🇺🇸 //ju ɑr ˈbrɪljənt//
MeaningSomeone who is clever or good at learning.You are very smart or clever.
ExampleShe is very smart and always comes up with clever ideas.You are brilliant at solving complex math problems.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelB1-
Part of speechadjective
Collocationsbe, look, seem, extremely, fairly, veryyou are brilliant at, you are brilliant in, you are brilliantly creative
Antonymsdumb, stupid, ignorant-
Common mistakesConfusing with 'sharp' when referring to someone's wit., Using inappropriately in very casual contexts, like describing friends., Mispronouncing the word, especially in the context of slang.Confused with 'you are brill' - 'brill' is slang and may not be understood by all., Overusing in professional settings - it can sound overly familiar., Adding unnecessary words - simply saying 'you are brilliant' is best.
Usage notesUsed to describe a person’s intelligence or a device’s capability. Not appropriate for casual or informal situations when referring to a person, as it can be seen as too formal.Use this phrase to compliment someone. It's appropriate in both casual and formal contexts.

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Smart
You are brilliant

Frequently asked questions: Smart vs You are brilliant

What's the difference between Smart and You are brilliant?

Smart: Someone who is clever or good at learning. You are brilliant: You are very smart or clever.

Which is more common: Smart and You are brilliant?

Smart is the most common in everyday English.

Can you show an example of each?

Smart: She is very smart and always comes up with clever ideas. You are brilliant: You are brilliant at solving complex math problems.

Can I use Smart and You are brilliant interchangeably?

Not always. Smart and You are brilliant 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.