'Prettiness' definitions:

Definition of 'prettiness'

From: WordNet
noun
The quality of being appealing in a delicate or graceful way (of a girl or young woman) [syn: prettiness, cuteness]

Definition of 'Prettiness'

From: GCIDE
  • Prettiness \Pret"ti*ness\, n. The quality or state of being pretty; -- used sometimes in a disparaging sense. [1913 Webster]
  • A style . . . without sententious pretension or antithetical prettiness. --Jeffrey. [1913 Webster]