'Simpleness' definitions:

Definition of 'simpleness'

From: WordNet
noun
A lack of penetration or subtlety; "they took advantage of her simplicity" [syn: simplicity, simpleness, simple mindedness]
noun
The quality of being simple or uncompounded; "the simplicity of a crystal" [syn: simplicity, simpleness] [ant: complexity, complexness]
noun
Freedom from difficulty or hardship or effort; "he rose through the ranks with apparent ease"; "they put it into containers for ease of transportation"; "the very easiness of the deed held her back" [syn: ease, easiness, simplicity, simpleness] [ant: difficultness, difficulty]
noun
Lack of ornamentation; "the room was simply decorated with great restraint" [syn: chasteness, restraint, simplicity, simpleness]

Definition of 'Simpleness'

From: GCIDE
  • Simpleness \Sim"ple*ness\, n. The quality or state of being simple; simplicity. --Shak. [1913 Webster]