We use 'indeed' to show that something is true or to agree with what someone says. It makes the idea stronger.
He is indeed very kind to us.
Indeed, she was correct about that.
'Indeed' can be used to add extra strong information. It shows that what follows is very important and true.
The book is interesting, indeed very helpful.
She is talented; indeed, she won many awards.
People say 'indeed' to show they are interested or surprised by what someone said. It also invites more talking.
Indeed! Tell me more about your trip.
You met the president? Indeed!
In formal speech or writing, 'indeed' is used to make claims or ideas sound stronger and more certain.
Indeed, the results speak for themselves.
The theory is, indeed, well supported.
'Indeed' can be used to show that a negative statement is wrong by giving a true and positive fact instead.
He is not lazy; indeed, he works hard every day.
It was not difficult; indeed, it was simple.
'Indeed' can make a quality stronger when placed before adjectives or adverbs. It shows high degree or importance.
The movie was indeed exciting to watch.
She is indeed talented at singing.