Boris remembered Natasha in a short dress, with dark eyes shining from under her curls and boisterous, childish laughter, as he had known her four years before; and so he was taken aback when quite a different Natasha entered, and his face expressed rapturous astonishment.
There are no more uses of "boisterous" in the book.
Show samples from other sources
It is a boisterous crowd, but there is more than enough security.
The one thing I did, though, I was careful ... not to get boisterous or anything.