Bedeutung von “really” im Essential American English Dictionary

really

adverb us /ˈri·ə·li/

A1 very or very much:

She’s really nice.
I really don’t want to go.

B1 used when you are saying what is true about a situation:

She tried to hide what she was really thinking.

A2 used to give particular importance to a verb:

You really shouldn’t worry.
really?

A2 used when you are surprised at what someone has just said:

“Apparently, he’s leaving.” “Really?”
not really

B1 used for replying that something is not true in a way that is less strong than just ‘no’:

“Did you like him?” “Not really.”

(Definition von “really” aus dem Webster's Essential Mini Dictionary © Cambridge University Press)