This is the 9928th most frequent Catalan word.
multitudinàries
Relating to or involving a large crowd or multitude.
Here, 'multitudinàries' modifies 'manifestacions' (demonstrations), describing them as involving a large crowd.
Les manifestacions multitudinàries omplen la plaça cada any.
The massive demonstrations fill the square every year.
In this case, 'multitudinàries' describes 'activitats' (activities), implying that these events involve many people.
Les activitats multitudinàries requereixen una bona planificació logística.
Mass events require good logistical planning.
Here, 'multitudinàries' refers to 'celebracions' (celebrations), indicating that these celebrations were attended by a large number of participants.