vast
Concise Oxford English Dictionary © 2008 Oxford University Press:
vast/vɑːst/
▶adjective of very great extent or quantity; immense. ▶noun archaic an immense space.
– derivatives
vastly adverb,
vastness noun.
vastly adverb,
vastness noun.
– origin ME: from L. vastus ‘void, immense’.
'vast' also found in these Oxford entries:

