I'm joking vs Kidding

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

I'm joking

InformalTop 2,000 (common)

Kidding

InformalTop 2,000 (common)
 I'm jokingKidding
Pronunciation🇬🇧 //aɪm ˈdʒoʊ.kɪŋ//🇺🇸 //aɪm ˈdʒoʊ.kɪŋ//🇬🇧 //ˈkɪd.ɪŋ//🇺🇸 //ˈkɪd.ɪŋ//
MeaningI am not serious; I am saying something funny.Joking or not serious.
ExampleI can't believe you thought I was serious! I’m joking.I was just kidding when I said you owe me money.
RegisterInformalInformal
How commonTop 2,000 (common)Top 2,000 (common)
Collocationsmake a joke, lighten the mood, playfully teasing, not serious, tell a jokejust kidding, are you kidding?, kidding around
Antonyms-serious, truthful
Common mistakesUsed too seriously when it's meant to be light-hearted., Confused with 'I'm serious' which has the opposite meaning.Using 'kidding' in a serious context., Confusing 'kidding' with 'kid' as a noun., Not understanding when to use it to indicate sarcasm.
Usage notesUsed casually in conversations to lighten the mood after a serious statement. Avoid in formal settings.Use 'kidding' in casual conversations. It's not suitable for formal contexts. Often used to lighten a statement or clarify a joke.

See it in real clips

I'm joking
Kidding

Frequently asked questions: I'm joking vs Kidding

What's the difference between I'm joking and Kidding?

I'm joking: I am not serious; I am saying something funny. Kidding: Joking or not serious.

Can you show an example of each?

I'm joking: I can't believe you thought I was serious! I’m joking. Kidding: I was just kidding when I said you owe me money.

Can I use I'm joking and Kidding interchangeably?

Not always. I'm joking and Kidding 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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