Yes, it is. It is related to the verb expand and the noun expansion, but it is most often used to mean effusive (talkative) or grand in scale (covering an expanse).
expansive
Yes, it is. It can mean vast, expansive, huge, or enormous (very large).
The adjective for "broad" is "broad" itself. It describes something that has a wide extent from side to side or is ample in width. Synonyms include "wide," "spacious," and "expansive."
some of them are expansive
It is only an adjective, an adverb or a noun
The prairie was very expansive, stretching for miles.
Expansive Heart was created on 1994-07-12.
EXPANSIVE
...expansive.
Taxes.
no
rock doesn't contains expansive soil. Expansive soils are soils that expand when water is added, and shrink when they dry out. This continuous change in soil volume can cause homes built on this soil to move unevenly and crack.