Extensive (4)

'extensive' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for long that I've seen before include "dream" , "die" , "Sustained" , "summer break?" , "Protracted" .)
'extensive' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for vast that I've seen before include "Boundless" , "Astronomical" , "Unusually great" , "Colossal" , "Huge, enormous" .)
(Other definitions for rife that I've seen before include "Endemic" , "Prevalent" , "Widespread like fire" , "is everywhere" , "Of widespread occurrence" .)
'extensive' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for widespread that I've seen before include "available to lots of people" , "found in many places" , "common" , "broad" , "Extensive" .)
'extensive' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for large that I've seen before include "substantial" , "Wide-ranging" , "Sizeable" , "Extensive" , "Of great size" .)
'extensive' is the definition.
(I know that extensive can be written as broad)
This is all the clue.
(Other definitions for broad that I've seen before include "Open" , "extensive" , "Wide; general" , "not detailed" , "Covering a wide range" .)
'extensive' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for large-scale that I've seen before include "Extensive" , "Wide-ranging" .)
(Other definitions for wall-to-wall that I've seen before include "(Of carpet) fitted" , "Widespread" .)
'extensive' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for panoramic that I've seen before include "in all directions" , "All-embracing" , "(Of a view) unbroken and wide" , "offering wide views?" , "all around" .)