What is the difference between 'By accident' and 'Accidentally'?
- I encountered this by accident.
- I encountered this accidentally.

Thank you in advance.

Question

What is the difference between 'By accident' and 'Accidentally'?
- I encountered this by accident.
- I encountered this accidentally.

Thank you in advance.

Answer

Thank you very much.

Answer

It pretty much means the same thing, really. No fundamental difference. "Accidentally" is just changing "by accident" to an adverb.