This is the 2518th most frequent Turkish word.
müthiş
"Extraordinary," "amazing," or "terrific."
In this sentence, the word 'müthiş' is used to describe something incredibly positive and innovative (the idea).
Bu müthiş bir fikir, hemen denemeliyiz.
This is an amazing idea, we should try it immediately.
Here, 'müthiş' is used to describe the intensity or power of the storm, not necessarily in a positive way.
Müthiş bir fırtına vardı dün gece, çok korktuk.
There was an intense storm last night, we were very scared.
In this context, 'müthiş' enhances the extraordinary quality or talent of the person as a speaker.