This is the 10793rd most frequent Portuguese word.
imensa
Immense; vast; huge.
In this sentence, 'imensa' is used as an adjective to describe the large size or extent of the collection of books.
Ela tem uma imensa coleção de livros antigos.
She has an immense collection of ancient books.
Here, 'imensa' describes the vast and significant scope of the diversity found in the rainforest.
A floresta amazônica é conhecida por sua diversidade imensa.
The Amazon rainforest is known for its immense diversity.
In this context, 'imensa' characterizes the intense and great level of happiness experienced in reaction to the news.