vaster

Even more expansive

Vaster is the comparative form of vast, meaning larger in scale, extent, or degree: The Pacific is vaster than the Atlantic.

The word appears in formal or literary contexts where *more vast* might sound equally natural.

boundless

infinite

Having no bounds

measureless · immeasurable · illimitable · unfathomable · inexhaustible · untold · eternal · perpetual · unlimited · unrestricted

expanse

horizon

Apparent earth-sky meeting

prairie · savannah · steppe · plateau · vista · panorama · landscape · plain · desert · tundra

scale

gigantic

Immensely large in scale

massive · tremendous · gargantuan · titanic · mammoth · astronomical · cosmic · monumental · prodigious · stupendous

scope

range

Extent of variation

span · latitude · amplitude · magnitude · compass · dimension · scale · proportion · territory · domain

Opposites
physical/spatial size

vastersmaller

Of reduced magnitude

tinier · littler · narrower · slighter · lesser

Phrases
Family

vast, vastness, vastly, vastest

Familiarity
Top 200,000
Profile
Known to kids · Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G