vast vs immense

vast and immense both are adjectives.

Word	Noun	Adjective	Verb	Adverb
vast	No	Yes	No	No
immense	No	Yes	No	No

As adjectives, vast and immense are synonyms defined as:

vast and immense: unusually great in size or amount or degree or especially extent or scope

Other synonyms of vast include Brobdingnagian, huge.

vast (adjective)	immense (adjective)
unusually great in size or amount or degree or especially extent or scope	unusually great in size or amount or degree or especially extent or scope