Difference between Extensive and Vast

EXTENSIVE vs VAST: NOUN

A waste region; boundless space; immensity.
The darkness of night, in which the prospect is not bounded in by distinct objects: only in the following passage.
A great deal; a large quantity or number.
A boundless waste or space; immensity.
An immense space.
A vast space.

Large in spatial extent or range or scope or quantity
Of or relating to the cultivation of vast areas of land with a minimum of labor or expense.
Large in extent, range, or amount.
Great in range or scope
Large in number or quantity (especially of discourse)
Having broad range or effect
Having wide extent; of much superficial extent; expanded; large; broad; wide; comprehensive
Capable of being extended.
In the nature of an extent, wide, widespread.
Broad in scope or content
Of agriculture; increasing productivity by using large areas with minimal outlay and labor
Large in spatial extent or range

Of agriculture
Pertaining to logical extension.
Pertaining to or characterized by extension in space or in any quantity; having extent or extension.
Having considerable extent; wide; large; embracing a wide area or a great number of objects; diffusive: as, an extensive farm; an extensive sphere of operations; extensive benevolence.
That may be extended or spread out; extensible.
In agriculture, noting that method of farming or husbandry in which relatively small crops or returns of any kind are taken from large areas with a minimum of labor and expense.
Logical extension.

Wide and vacant or unoccupied; waste; desolate; lonely.
Being of great extent or size; very spacious or large; enormous; massive; immense.
Very great in quantity, number, or amount.
Very great as to degree, intensity, difficulty of accomplishment, importance, etc.; mighty: used also in exaggerated colloquial speech, being much affected in the eighteenth century.
Synonyms Spacious.
3 and Colossal, gigantic, prodigious, tremendous, stupendous.

Substantial, Intensive, Lengthy, Thorough, Exhaustive, Far reaching, Big, Sweeping, Abundant, Wide, Extended, Large, Copious, Considerable, Comprehensive

Tremendous, Staggering, Gargantuan, Sizable, Substantial, Gigantic, Sizeable, Colossal, Considerable, Massive, Enormous, Big, Large, Huge, Immense

Substantial, Intensive, Lengthy, Thorough, Exhaustive, Far reaching, Big, Sweeping, Abundant, Wide, Extended, Large, Copious, Considerable, Comprehensive

Tremendous, Staggering, Gargantuan, Sizable, Substantial, Gigantic, Sizeable, Colossal, Considerable, Massive, Enormous, Big, Large, Huge, Immense

Since mass is extensive, it must be additive.
United States Navy, and had extensive diplomatic experience.
This collection of free printable labels is extensive.
His background is truly extensive in that regard.
Sanitizing public areas frequently using extensive cleaning measures.
The representative had extensive knowledge on LTC insurance.
Results suggest that such variability can be extensive.
God, but as extensive evidence to the contrary.
DER does not need extensive knowledge about the DOT drug and alcohol testing program and need not spend extensive time on DER duties.
As written in Roman Urdu u067eu06ccu0634u0627u0628 u06a9u0631u0646u06d2 u06a9u0627 u0639u0645u0644 but also give extensive definition in English language give extensive in.

Alaska is a very vast and unforgiving place.
The vast majority of febrile seizures are convulsions.
Job Losses Hint at Vast Remaking of Economy.
These errors constitute the vast majority of chargebacks.
Congress sought in the vast majority of cases.
So there is a vast number of people.
But the site has a vast customer base.
Vast data base which the setuid and setgid flags have a vast data base which the treasury.
Base and community involvement includes organizing, directing, planning, and supervising large base and community programs, overseeing vast operations, and assuming responsibility over vast population
That light has to travel across vast distances, which is also vast expanses of time, to reach us.