What does vast mean?

• Unusally great is size or amount or degree or especially extent or scope familiarity .
• In information vast used as on adjective is very rare

Vast is referred to as irregular or unbelievable in size, shape, quantity, etc.

Ex: The coach says that he thinks that Caitylnn has vast potential for the quarterback position on the football team.

Ex: The vast sea awaits, Jonathan.
Very big in size.
The official definition of the Word vast is "of very great extent or quantity; immense."