This is the 710th most frequent Persian word.
تشدید
Intensification or accentuation.
The word "تشدید" is used as a verb form (تشدید یافتن) meaning 'to intensify' or 'to escalate'.
تنشها میان دو کشور تشدید یافتهاند.
The tensions between the two countries have intensified.
The word "تشدید" refers to the diacritical mark used in the Persian script to indicate emphasis or doubling of a letter.
برای تأکید بیشتر، از علامت تشدید در نوشتار استفاده کنید.
For more emphasis, use the diacritical mark (tashdid) in writing.
Here, "تشدید" is used as a noun meaning 'intensification' or 'aggravation,' particularly of a situation or condition.