This is the 309th most frequent Persian word.
رسمی
"Official" or "formal."
رسمی is used here to describe the formality of clothing.
این لباس رسمی است و نباید در مهمانی غیررسمی پوشیده شود.
This outfit is formal and should not be worn at an informal party.
رسمی is used here to indicate the ceremonial or official nature of an event.
او در مراسم رسمی سفارت شرکت کرد.
He attended the official ceremony at the embassy.
رسمی is used here to describe the formal tone required in communications.