'Verticalness' definitions:

Definition of 'verticalness'

(from WordNet)
noun
Position at right angles to the horizon [syn: verticality, verticalness, erectness, uprightness]

Definition of 'Verticalness'

From: GCIDE
  • Verticalness \Ver"ti*cal*ness\, n. Quality or state of being vertical. [1913 Webster]