This is the 12906th most frequent Polish word.
obronnej
"Obronnej" means "defensive" (related to defense).
In this sentence, 'obronnej' is used to describe 'postawy' (stance) as being defensive in nature, highlighting a characteristic or quality.
Strategia obronnej postawy była kluczowa dla sukcesu.
The strategy of a defensive stance was crucial for success.
Here, 'obronnej' modifies 'taktyki' (tactic), indicating that the tactic employed was focused on defense.
W grze planszowej użyłem obronnej taktyki, aby chronić swoje pionki.
In the board game, I used a defensive tactic to protect my pieces.
In this example, 'obronnej' qualifies 'twierdzy' (fortress), expressing that the fortress was built with defensive purposes.