Substantial vs. Extensive

Difference Between Substantial and Extensive
Substantialadjective
Having a substance; actually existing.
substantial lifeExtensiveadjective
having a great extent; covering a large area; vast
Substantialadjective
Not imaginary; real; actual; true; veritable.
Extensiveadjective
(figurative) considerable in amount.
I have done extensive research on the subject.Substantialadjective
Corporeal; material; firm.
Extensiveadjective
Serving to extend or lengthen; characterized by extension
Substantialadjective
Having good substance; strong; stout; solid; firm.
substantial clotha substantial fence or wallExtensiveadjective
(physics) Having a combined system entropy that equals the sum of the entropies of the independent systems.
Substantialadjective
Possessed of goods or an estate; moderately wealthy.
a substantial freeholderExtensiveadjective
large in spatial extent or range;
an extensive Roman settlement in northwest Englandextended farm landsSubstantialadjective
Large in size, quantity, or value; ample; significant.
He inherited a substantial amount of money from his uncle.A substantial number of people went to the event.Extensiveadjective
having broad range or effect;
had extensive press coveragefar-reaching changes in the social structuresweeping reformsSubstantialadjective
Most important; essential.
Extensiveadjective
large in number or quantity (especially of discourse);
she took copious notesextensive press coveragea subject of voluminous legislationSubstantialadjective
Satisfying; having sufficient substance to be nourishing or filling.
I don't just want a snack; I need something substantial.Teddy had a few crackers in his backpack, but he needed something more substantial if he was to survive a three-day trek.Extensiveadjective
great in range or scope;
an extended vocabularysurgeons with extended experienceextensive examples of picture writingsuffered extensive damagea wide selectionSubstantialnoun
Anything having substance; an essential part.
Extensiveadjective
of agriculture; increasing productivity by using large areas with minimal outlay and labor;
producing wheat under extensive conditionsagriculture of the extensive typeSubstantialadjective
fairly large;
won by a substantial marginSubstantialadjective
being the essence or essential element of a thing;
substantial equivalentssubstantive informationSubstantialadjective
having substance or capable of being treated as fact; not imaginary;
the substantial worlda mere dream, neither substantial nor practicalmost ponderous and substantial thingsSubstantialadjective
providing abundant nourishment;
a hearty mealgood solid foodate a substantial breakfastSubstantialadjective
of good quality and condition; solidly built;
a solid foundationseveral substantial timber buildings