'Strikingness' definitions:

Definition of 'strikingness'

From: WordNet
noun
The state of being salient [syn: salience, saliency, strikingness]
noun
The quality of standing out strongly and distinctly [syn: boldness, strikingness]

Definition of 'Strikingness'

From: GCIDE
  • Striking \Strik"ing\, a. Affecting with strong emotions; surprising; forcible; impressive; very noticeable; as, a striking representation or image; a striking resemblance. "A striking fact." --De Quincey. -- {Strik"ing*ly}, adv. -- {Strik"ing*ness}, n. [1913 Webster]