Sure vs Uh-huh

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

Sure

Top 1,000 (very common)A1adjective

Uh-huh

InformalBeyond 10,000 (less common)
Most formal: SureMost common: Sure
 SureUh-huh
Pronunciation🇬🇧 /["/ʃʊə(r)//ʃɔː(r)/"]/🇺🇸 /["/ʃʊr/"]/🇬🇧 //əˈhʌ//🇺🇸 //əˈhʌ//
Meaningcertain or confident about somethingYes
ExampleI am sure that we will win the game.Do you want to go to the movies tonight? Uh-huh.
RegisterNeutralInformal
How commonTop 1,000 (very common)Beyond 10,000 (less common)
CEFR levelA1-
Part of speechadjective
Collocationsbe, feel, seem, absolutely, completely, quite, about, of, be, feel, seem, absolutely, completely, quite, about, ofsay uh-huh, reply with uh-huh, nodding and uh-huh
Antonymsuncertain, doubtful, unsure-
Common mistakesUsed too casually in formal situations., Confused with 'surely' which implies a stronger confirmation., Mispronounced as 'sher' instead of 'shur'.Using 'uh-huh' in formal situations where a clear agreement is needed., Confusing 'uh-huh' with 'uh-uh' which means no.
Usage notesUsed to express agreement or assurance. It's typically appropriate in most casual and formal contexts, but can feel dismissive if overused in a conversation.Used in casual conversation as a way to agree or acknowledge. More commonly used in spoken English rather than in writing.

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Sure
Uh-huh

Frequently asked questions: Sure vs Uh-huh

What's the difference between Sure and Uh-huh?

Sure: certain or confident about something Uh-huh: Yes

Which is more formal: Sure and Uh-huh?

Sure is the most formal of these.

Which is more common: Sure and Uh-huh?

Sure is the most common in everyday English.

Can you show an example of each?

Sure: I am sure that we will win the game. Uh-huh: Do you want to go to the movies tonight? Uh-huh.

Can I use Sure and Uh-huh interchangeably?

Not always. Sure and Uh-huh 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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