This is the 3752nd most frequent Catalan word.
agressius
Aggressive.
In this sentence, 'agressius' describes the characteristic of dogs potentially displaying aggressive behavior if not trained adequately.
Els gossos poden ser agressius si no reben un bon entrenament.
Dogs can be aggressive if they don't receive proper training.
Here, 'agressives' is used as an adjective to describe the intensity or hostile nature of discussions under certain circumstances.
Algunes discussions es tornen agressives quan els participants no controlen les seves emocions.
Some discussions become aggressive when participants do not control their emotions.
In this usage, 'agressiu' advises against expressing oneself in a harsh or confrontational manner.