This is the 408th most frequent Ukrainian word.
наступальні
"Offensive" or "advancing" (typically in a military context).
In this sentence, 'наступальних' is used as an adjective describing the nature of the operations, indicating 'offensive' in a military context.
Цей регіон став місцем для успішних наступальних операцій.
This region has become the site of successful offensive operations.
Here, 'наступальні' is used in a metaphorical sense to describe 'attitudes' that are assertive and proactive.
Наступальні настрої серед команди лише зростали.
The offensive attitudes among the team were only growing.
In this example, 'наступальних' once again characterizes actions or plans that are intended for aggression or advancement, commonly in a strategic or military context.