all-encompassing vs extensive

all-encompassing and extensive both are adjectives.

Word	Noun	Adjective	Verb	Adverb
all-encompassing	No	Yes	No	No
extensive	No	Yes	No	No

As adjectives, all-encompassing and extensive are synonyms defined as:

Other synonyms of all-encompassing include across-the-board, all-embracing, all-inclusive, blanket, broad, encompassing, panoptic, wide.

all-encompassing (adjective)	extensive (adjective)
broad in scope or content	of agriculture; increasing productivity by using large areas with minimal outlay and labor
	broad in scope or content
	large in spatial extent or range or scope or quantity