vastexpanse
nounUK /ˈvɑːst ɪkˌspæns/
US /ˈvæst ɪkˌspæns/
A very, very big open space that seems to go on forever.
The desert stretched out before them as a silent vastexpanse of sand.
SYNONYMS
OTHER MEANINGS
2. A huge area of knowledge or activity that feels endless.
The vastexpanse of science can feel overwhelming to a beginner.
3. A wide, open stretch of sky or sea.
Sailors gazed at the vastexpanse of blue water around them.
4. An enormous, seemingly limitless amount of something.
The internet is a vastexpanse of information.