This is the 12455th most frequent Spanish word.
masivas
"Masivas" means "massive" or "large-scale."
Here, 'masivas' is used as an adjective describing the large-scale nature of advertising campaigns.
Las campañas publicitarias en línea hoy en día son masivas.
Online advertising campaigns today are massive.
In this sentence, 'masivas' modifies 'protestas', indicating the considerable participation and size of the protests.
Las protestas masivas reflejan un gran descontento social.
Massive protests reflect great social discontent.
'Masivas' in this context functions as an adjective, emphasizing the scale of the evacuations.