Intelligent vs You are a genius

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

Intelligent

Top 1,000 (very common)A2adjective

You are a genius

InformalBeyond 10,000 (less common)
Most formal: IntelligentMost common: Intelligent
 IntelligentYou are a genius
Pronunciation🇬🇧 /["/ɪnˈtelɪdʒənt/"]/🇺🇸 /["/ɪnˈtelɪdʒənt/"]/🇬🇧 //jʊ əre ə ˈdʒiː.ni.əs//🇺🇸 //ju ɑr ə ˈdʒiː.njəs//
MeaningSmart or able to think well.You are very smart.
ExampleThe intelligent student quickly solved the math problem.I can't believe you solved that puzzle so fast! You are a genius!
RegisterNeutralInformal
How commonTop 1,000 (very common)Beyond 10,000 (less common)
CEFR levelA2-
Part of speechadjective
Collocationsbe, look, seem, extremely, fairly, veryyou are a genius, feel like a genius, call someone a genius, act like a genius, genuinely a genius
Antonymsunintelligent, stupid, dull-
Common mistakesConfused with 'intellect' which refers more to reasoning ability., Mistakenly using as a noun instead of an adjective (e.g., 'an intelligent' instead of 'an intelligent person').Overuse the phrase without sincerity., Use it sarcastically when the context doesn't fit., Mispronounce 'genius' as 'genius'.
Usage notesUse 'intelligent' to describe someone who has a high ability to learn or understand. It’s generally positive and can apply in both formal and informal contexts. Avoid using it sarcastically.Use this phrase to compliment someone's intelligence or creativity. It is suitable among friends but less formal in professional settings.

See it in real clips

Intelligent

Frequently asked questions: Intelligent vs You are a genius

What's the difference between Intelligent and You are a genius?

Intelligent: Smart or able to think well. You are a genius: You are very smart.

Which is more formal: Intelligent and You are a genius?

Intelligent is the most formal of these.

Which is more common: Intelligent and You are a genius?

Intelligent is the most common in everyday English.

Can you show an example of each?

Intelligent: The intelligent student quickly solved the math problem. You are a genius: I can't believe you solved that puzzle so fast! You are a genius!

Can I use Intelligent and You are a genius interchangeably?

Not always. Intelligent and You are a genius 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.

Related comparisons