vastness

vast +‎ -ness

• IPA^(key): /ˈvæstnəs/

vastness (countable and uncountable, plural vastnesses)

1. (uncountable) The quality of being vast.
   • 1918, W. B. Maxwell, chapter 5, in The Mirror and the Lamp:

     He was thinking; but the glory of the song, the swell from the great organ, the clustered lights, […], the height and vastness of this noble fane, its antiquity and its strength—all these things seemed to have their part as causes of the thrilling emotion that accompanied his thoughts.

2. (countable) Something vast.
   • 1932|The Magnet - Bunter's Night Out
   • He had a feeling that he was lost in the vastness of a huge forest.

• enormity
• immensity