huge vs vast

huge and vast both are adjectives.

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

As adjectives, huge and vast are synonyms defined as:

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

Other synonyms of huge include Brobdingnagian, immense.

huge (adjective)	vast (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