This is the 11333rd most frequent Portuguese word.
monstruoso
Monstruoso: monstrous; excessively large, frightening, or unnatural.
Here, 'monstruoso' is used as an adjective to describe the extreme and terrifying characteristics of the monster.
O monstro era tão monstruoso que todos fugiram ao vê-lo.
The monster was so monstrous that everyone ran away upon seeing it.
'Monstruoso' here is used figuratively to describe someone's behavior as extremely bad or unacceptable, likened to a monster's behavior.
Seu comportamento monstruoso deixou todos surpresos.
His monstrous behavior shocked everyone.
In this context, 'monstruoso' is used to convey greatness or vastness in a positive sense, describing the artist's creativity as exceedingly unique or large.