This is the 3451st most frequent Arabic word.
مسبوق
Preceded.
Here, 'مسبوق' means 'preceded' in the context of something having been done or seen before.
كان التصرف غير مسبوق في تاريخ الشركة.
The action was unprecedented in the history of the company.
In this sentence, 'مسبوقة' describes the incident as being preceded, implying it followed warning signs.
الحادثة كانت مسبوقة بالإشارات التحذيرية.
The incident was preceded by warning signs.
'غير مسبوق' is utilized here to describe the change as unprecedented, emphasizing its uniqueness or novelty in occurrence.