voluminous
🇺🇸
/vəˈluːmɪnəs/
🇬🇧
/vəˈluːmɪnəs/
very large in size or amount of material
She wore a voluminous dress that flowed around her as she walked.
very long and containing many details
The professor wrote a voluminous report covering all aspects of the research.
very large in capacity or space
He carried all his tools in his voluminous backpack.