ˈvastəˌtüd, ˈvaas-, ˈvais-, ˈvȧs-, -stə.ˌtyüd noun
( -s )
Etymology: Latin vastitudo, from vastus vast + -tudo -tude
1. : the quality or state of being vast : immensity
the vastitude of the concept held him spellbound
2. : a vast extent or space
all that vastitude of wilderness — Walter O'Meara