This is the 9849th most frequent Polish word.
agresywni
"Agresywni" means "aggressive" (plural form) in English.
The word 'agresywnych' here is an adjective describing people (plural genitive form), meaning they display aggression or hostility.
Jest wielu agresywnych ludzi w tym miejscu.
There are many aggressive people in this area.
The word 'agresywne' is the plural form nominative adjective that describes animals as capable of aggression.
Niektóre zwierzęta mogą stać się agresywne, gdy są zagrożone.
Some animals can become aggressive when threatened.
The word 'agresywne' illustrates behaviour (here as plural nominative adjective) characterized by forcefulness or assertiveness.