So sorry vs Sorry

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

So sorry

Top 2,000 (common)

Sorry

Top 1,000 (very common)A1adjective
Most common: Sorry
 So sorrySorry
Pronunciation🇬🇧 //səʊ ˈsɒri//🇺🇸 //soʊ ˈsɔri//🇬🇧 /["/ˈsɒri/"]/🇺🇸 /["/ˈsɑːri/"]/
MeaningA way to express regret or apology.A word used to express regret or apology.
ExampleI am *so sorry* for forgetting your birthday.I'm really sorry for the mistake I made.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR level-A1
Part of speechadjective
Collocationssay so sorry, feel so sorry, be so sorry, apologize and say so sorrybe, feel, seem, extremely, fairly, very, about, for, be sorry to disappoint somebody, be sorry to hear about something/​that…, be sorry to interrupt (somebody/​something), be, feel, seem, extremely, fairly, very, about, for, be sorry to disappoint somebody, be sorry to hear about something/​that…, be sorry to interrupt (somebody/​something), be, feel, seem, extremely, fairly, very, about, for, be sorry to disappoint somebody, be sorry to hear about something/​that…, be sorry to interrupt (somebody/​something)
Antonyms-happy, unapologetic
Common mistakesUsed too frequently in casual situations, may come off as insincere., Confusing with 'so sorry for' which needs an object., Not capitalizing 'So' at the beginning of a sentence.Using 'sorry' when it's not needed, making it seem insincere., Confusing 'sorry' with 'I'm sorry' — they can be used interchangeably, but 'I'm sorry' can sound more formal., Not using 'sorry' in situations where an apology is expected.
Usage notesUsed to express sincere regret in various contexts, often in response to a mistake or misunderstanding. Suitable for both formal and informal situations.Use 'sorry' to apologize in casual and formal situations. It’s polite in conversations if you've made a mistake. Avoid overusing it in professional settings where you need to be more specific about the issue.

See it in real clips

So sorry
Sorry

Frequently asked questions: So sorry vs Sorry

What's the difference between So sorry and Sorry?

So sorry: A way to express regret or apology. Sorry: A word used to express regret or apology.

Which is more common: So sorry and Sorry?

Sorry is the most common in everyday English.

Can you show an example of each?

So sorry: I am *so sorry* for forgetting your birthday. Sorry: I'm really sorry for the mistake I made.

Can I use So sorry and Sorry interchangeably?

Not always. So sorry and Sorry 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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