enormous, immense, huge, vast, gigantic, colossal, mammoth mean exceedingly large. enormous and immense both suggest an exceeding of all ordinary bounds in size or amount or degree, but enormous often adds an implication of abnormality or monstrousness.
an enormous expense
an immense shopping mall huge commonly suggests an immensity of bulk or amount.
incurred a huge debt vast usually suggests immensity of extent.
the vast Russian steppes gigantic stresses the contrast with the size of others of the same kind.
a gigantic sports stadium colossal applies especially to a human creation of stupendous or incredible dimensions.
a colossal statue of Lincoln mammoth suggests both hugeness and ponderousness of bulk.
a mammoth boulder
Examples of vast in a Sentence
Adjective
She has a vast amount of knowledge on this subject.
The policy is supported by the vast majority of citizens.
a vast expanse of land