Regret vs So sorry

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

Regret

Top 1,000 (very common)B2verb

So sorry

Top 2,000 (common)
Most common: Regret
 RegretSo sorry
Pronunciation🇬🇧 /["/rɪˈɡret/","/rɪˈɡrets/","/rɪˈɡretɪd/","/rɪˈɡretɪŋ/"]/🇺🇸 /["/rɪˈɡret/","/rɪˈɡrets/","/rɪˈɡretɪd/","/rɪˈɡretɪŋ/"]/🇬🇧 //səʊ ˈsɒri//🇺🇸 //soʊ ˈsɔri//
MeaningTo feel sad or sorry about something you did or didn't do.A way to express regret or apology.
ExampleI regret not studying harder for my exams.I am *so sorry* for forgetting your birthday.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelB2-
Part of speechverb
Collocationsbitterly, deeply, greatly, begin to, come to, grow to, bitterly, deeply, greatly, begin to, come to, grow tosay so sorry, feel so sorry, be so sorry, apologize and say so sorry
Antonymssatisfaction, contentment, pride-
Common mistakes'Regret' is often confused with 'remorse'. Remorse includes a stronger sense of guilt., Learners might say 'I regret to do...' instead of 'I regret doing...'., Confusion between 'regret' and 'regrettable' which is an adjective.Used 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.
Usage notesUse 'regret' to express feelings about past actions. It's appropriate in neutral to formal contexts, but less so in casual conversations where simpler phrases might fit better.Used to express sincere regret in various contexts, often in response to a mistake or misunderstanding. Suitable for both formal and informal situations.

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Regret
So sorry

Frequently asked questions: Regret vs So sorry

What's the difference between Regret and So sorry?

Regret: To feel sad or sorry about something you did or didn't do. So sorry: A way to express regret or apology.

Which is more common: Regret and So sorry?

Regret is the most common in everyday English.

Can you show an example of each?

Regret: I regret not studying harder for my exams. So sorry: I am *so sorry* for forgetting your birthday.

Can I use Regret and So sorry interchangeably?

Not always. Regret and So 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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