This is the 11674th most frequent Polish word.
koleżeńska
Friendly, collegial, or companionable.
The word 'koleżeńska' is used here as an adjective describing the atmosphere, implying friendliness and camaraderie among colleagues.
Atmosfera w pracy była bardzo koleżeńska.
The atmosphere at work was very collegial.
The term 'koleżeńska' here describes the nature of the relationship, suggesting it is purely platonic and based on friendship.
Relacja między nimi była zupełnie koleżeńska, bez romantycznych podtekstów.
The relationship between them was completely friendly, without romantic undertones.
In this sentence, 'koleżeńską' modifies 'rozmowę,' indicating that the conversation was friendly and informal, emphasizing an approachable demeanor.