I'm sorry I am so sorry vs Pardon me

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

I'm sorry I am so sorry

Top 2,000 (common)

Pardon me

FormalBeyond 10,000 (less common)
Most formal: Pardon meMost common: I'm sorry I am so sorry
 I'm sorry I am so sorryPardon me
Pronunciation🇬🇧 //aɪm ˈsɒri aɪ æm səʊ ˈsɒri//🇺🇸 //aɪm ˈsɔri aɪ æm soʊ ˈsɔri//🇬🇧 //ˈpɑːdən miː//🇺🇸 //ˈpɑrdən mi//
MeaningA phrase to express regret or apology.Excuse me
ExampleI messed up your order; I'm sorry, I am so sorry.Pardon me, could you please repeat that?
RegisterNeutralFormal
How commonTop 2,000 (common)Beyond 10,000 (less common)
Collocationsgenuinely sorry, truly sorry, deeply sorrypardon my interruption, pardon my dust, pardon my mistakes
Common mistakesSaying 'I'm very sorry' too many times in a row., Misplacing 'so' in the sentence., Confusing with 'I apologize' in formal situations.Used incorrectly in casual situations, where 'excuse me' is more appropriate., Mispronounced or said too quickly, losing clarity., Omitting 'please' when seeking favor or attention.
Usage notesUse in personal conversations or when addressing someone hurt by your actions. Avoid overusing it in formal settings.Used to politely ask someone to repeat or to get attention. Formal context, often used when someone is interrupting or needs to ask for clarification.

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I'm sorry I am so sorry
Pardon me

Frequently asked questions: I'm sorry I am so sorry vs Pardon me

What's the difference between I'm sorry I am so sorry and Pardon me?

I'm sorry I am so sorry: A phrase to express regret or apology. Pardon me: Excuse me

Which is more formal: I'm sorry I am so sorry and Pardon me?

Pardon me is the most formal of these.

Which is more common: I'm sorry I am so sorry and Pardon me?

I'm sorry I am so sorry is the most common in everyday English.

Can you show an example of each?

I'm sorry I am so sorry: I messed up your order; I'm sorry, I am so sorry. Pardon me: Pardon me, could you please repeat that?

Can I use I'm sorry I am so sorry and Pardon me interchangeably?

Not always. I'm sorry I am so sorry and Pardon me 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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