This is the 2348th most frequent Russian word.
наступательные
"Offensive" (related to an attack or advancing action).
Here, 'наступательные' is an adjective describing actions that are proactive or aggressive in nature, particularly in a military context.
Военные начали наступательные действия на рассвете.
The military began offensive operations at dawn.
In this sentence, 'наступательные' conveys an aggressive or assertive manner, characterizing the nature of the questions.
Её наступательные вопросы заставили меня чувствовать себя неловко.
Her probing questions made me feel uncomfortable.
Here, 'наступательная' is used to describe the approach or strategy as being geared towards attack or offense.