- without question or doubt
- You should really see a doctor about your back pains.
- I really believe she's not coming back.
- You really should try some of this cake.
- She really is a nice person.
- We really need the extra money.
- He really likes her. [=he likes her very much]
- The dog runs really fast.
- The water is really hot/cold.
- She's a really nice person.
- It's a really [=truly] beautiful day.
- a really frightening/funny story
- I had a really good time at the party.