Answer: VAST

AnswerCrossword Clue
VASTLike an ocean
VASTLike the Pacific
VASTGreat
VASTGreat in range
VASTVery large
VASTAstronomical
vasta great space / of great extent or size
vastimmense; huge
VASTLimitless
VASTAlmost infinite
VASTLike the cosmos
VASTLike all of the outdoors
VASTBrobdingnagian
VASTLike all the outdoors
VASTHumongous in area
VASTFar-ranging
VASTLike the outdoors
VASTGargantuan
VASTKind of improvement
VASTLike the Great Plains
VASTSweeping.
VASTFar-reaching.
VASTVery extensive.
VASTWorld-wide.
VASTBoundless.
VASTExpansive.
VASTWide in scope.
VASTHuge in bulk.
VASTGreat.
VASTOf great extent.
VASTLike many a Texas ranch
VASTVery great in range.
VASTProdigious.
VASTIllimitable
VASTVery spacious
VASTMammoth
VASTOf great extent
VASTLike Sahara's reaches
VAST"This world so ... . . . ": Huxley
VASTLike the Sahara