VAST

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 Dictionary entry overview: What does vast mean? 

• VAST (adjective)
  The adjective VAST has 1 sense:

1. unusually great in size or amount or degree or especially extent or scope

  Familiarity information: VAST used as an adjective is very rare.

 Dictionary entry details 

• VAST (adjective)

Comparative: vaster   
Superlative: vastest   

Sense 1

Meaning:

Unusually great in size or amount or degree or especially extent or scope

Synonyms:

Brobdingnagian; huge; immense; vast

Context example:

the vast accumulation of knowledge...which we call civilization

Similar:

big; large (above average in size or number or quantity or magnitude or extent)

Derivation:

vastness (unusual largeness in size or extent or number)

 Context examples 

Morphologically, the vast majority of cases are adenocarcinomas.

(Cholangiocarcinoma, NCI Thesaurus)

In the vast majority of cases, the tumor involves a single parathyroid gland.

(Parathyroid Gland Adenoma, NCI Thesaurus)

The vast majority of cases are adamantinomatous craniopharyngiomas.

(Childhood Craniopharyngioma, NCI Thesaurus)

It presents with asymptomatic and localized (mainly head and neck) disease in the vast majority of cases.

(Pediatric Nodal Marginal Zone Lymphoma, NCI Thesaurus)

The vast majority of cases have a benign clinical course.

(Myopericytoma, NCI Thesaurus)

It was indeed an enormous crowd which covered the whole vast plain from the line of vineyards to the river bank.

(The White Company, by Sir Arthur Conan Doyle)

The vast majority of cases are adenocarcinomas.

(Ampulla of Vater Carcinoma, NCI Thesaurus)

The vast majority of such tumors are malignant.

(Metastatic/Recurrent, NCI Thesaurus)

The vast majority of cases occur during childhood.

(Pancreatoblastoma, NCI Thesaurus)

The vast majority of endometrial carcinomas are adenocarcinomas; squamous cell and adenosquamous carcinomas represent a minority of the cases.

(Endometrial Carcinoma, NCI Thesaurus)