This is the 297th most frequent Persian word.
مهمترین
The most important.
Here, "مهمترین" is used as a superlative adjective to express the idea of utmost importance.
کتاب خواندن یکی از مهمترین کارها برای یادگیری است.
Reading books is one of the most important activities for learning.
In this case, "مهمترین" serves to emphasize the significance of a specific point.
مهمترین نکته این است که همیشه تلاش کنید.
The most important point is to always try.
Here, "مهمترین" highlights the critical nature of the decision.