I am sorry vs Regret

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

I am sorry

Top 1,000 (very common)

Regret

Top 1,000 (very common)B2verb
 I am sorryRegret
Pronunciation🇬🇧 //aɪ æm ˈsɒri//🇺🇸 //aɪ æm ˈsɔri//🇬🇧 /["/rɪˈɡret/","/rɪˈɡrets/","/rɪˈɡretɪd/","/rɪˈɡretɪŋ/"]/🇺🇸 /["/rɪˈɡret/","/rɪˈɡrets/","/rɪˈɡretɪd/","/rɪˈɡretɪŋ/"]/
MeaningI feel bad about what I did.To feel sad or sorry about something you did or didn't do.
ExampleI'm sorry for being late to the meeting.I regret not studying harder for my exams.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR level-B2
Part of speechverb
Collocationssay I'm sorry, feel sorry, sorry forbitterly, deeply, greatly, begin to, come to, grow to, bitterly, deeply, greatly, begin to, come to, grow to
Antonyms-satisfaction, contentment, pride
Common mistakesUsing 'I'm sorry' in overly casual settings when 'my bad' might be better., Confusing 'I'm sorry' with 'excuse me' in interruption contexts., Not pairing it with an explanation or solution in formal situations.'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.
Usage notesUse when you want to express regret. It's suitable in most situations but may be too formal for very casual contexts.Use '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.

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I am sorry

Frequently asked questions: I am sorry vs Regret

What's the difference between I am sorry and Regret?

I am sorry: I feel bad about what I did. Regret: To feel sad or sorry about something you did or didn't do.

Can you show an example of each?

I am sorry: I'm sorry for being late to the meeting. Regret: I regret not studying harder for my exams.

Can I use I am sorry and Regret interchangeably?

Not always. I am sorry and Regret 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.