Intelligent vs Pretty smart

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

Intelligent

Top 1,000 (very common)A2adjective

Pretty smart

InformalTop 5,000 (fairly common)
Most formal: IntelligentMost common: Intelligent
 IntelligentPretty smart
Pronunciation🇬🇧 /["/ɪnˈtelɪdʒənt/"]/🇺🇸 /["/ɪnˈtelɪdʒənt/"]/🇬🇧 //ˈprɪti smɑːt//🇺🇸 //ˈprɪti smɑrt//
MeaningSmart or able to think well.Very intelligent or clever.
ExampleThe intelligent student quickly solved the math problem.She's not just smart; she's pretty smart when it comes to math.
RegisterNeutralInformal
How commonTop 1,000 (very common)Top 5,000 (fairly common)
CEFR levelA2-
Part of speechadjective
Collocationsbe, look, seem, extremely, fairly, verypretty smart idea, pretty smart decision, pretty smart move
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').Confusing with 'pretty' as just 'difficult' instead of 'very', Using in overly formal situations, Misplacing 'smart' meaning it's only book-smart
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.Commonly used in informal contexts to compliment someone's intelligence. Avoid in formal writing.

See it in real clips

Intelligent
Pretty smart

Frequently asked questions: Intelligent vs Pretty smart

What's the difference between Intelligent and Pretty smart?

Intelligent: Smart or able to think well. Pretty smart: Very intelligent or clever.

Which is more formal: Intelligent and Pretty smart?

Intelligent is the most formal of these.

Which is more common: Intelligent and Pretty smart?

Intelligent is the most common in everyday English.

Can you show an example of each?

Intelligent: The intelligent student quickly solved the math problem. Pretty smart: She's not just smart; she's pretty smart when it comes to math.

Can I use Intelligent and Pretty smart interchangeably?

Not always. Intelligent and Pretty smart 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