* Simple: The desert stretched out before them, a vast and empty landscape.
* Descriptive: The library's collection was vast, containing millions of books spanning centuries.
* Figurative: Her knowledge of history was vast, encompassing everything from ancient civilizations to modern events.
* Comparative: The ocean's depths are vastly deeper than the highest mountain peaks.
* Contrasting: Despite the vastness of the universe, there are still many unanswered questions about its origins.