real
The German word 'echt' is used to describe something as genuine or authentic. It can be used to express that something is true or factual, and is often used to emphasize the realness or authenticity of an object or situation. In English, it can be translated to 'real', 'genuine', 'authentic', or 'true'.
That's really cool!
In this sentence, 'echt' is used to mean 'really' or 'truly', emphasizing the speaker's opinion that something is cool.
Your ideas are really original.
Here, 'echt' again means 'really' or 'truly', and emphasizes that the speaker thinks the other person's ideas are original.
Is that really true?
In this case, 'echt' is used to question the truth of a statement. It highlights the speaker's doubt or surprise about the information they have heard.