This is the 10432nd most frequent Catalan word.
preventiva
Preventive.
Here, 'preventiva' is used as an adjective modifying 'mesura' (measure), meaning it is a measure taken beforehand to prevent anything negative.
La mesura preventiva va evitar un desastre.
The preventive measure avoided a disaster.
In this case, 'preventiva' functions as an adjective describing 'detenció' (detention), referring to legal steps taken in advance to mitigate potential risks.
La detenció preventiva es va ordenar pel jutge.
The preventive detention was ordered by the judge.
Here, 'preventiva' serves as an adjective for 'campanya' (campaign), indicating actions aimed primarily at preventing issues related to smoking.