plainness
1. [ noun ] the appearance of being plain and unpretentious
Related terms: appearance bareness austereness chasteness
2. [ noun ] clarity as a consequence of being perspicuous
Synonyms: perspicuousness perspicuity
Related terms: clarity
3. [ noun ] the state of being unmixed with other material
Examples:

"the plainness of vanilla ice cream"

Related terms: purity
4. [ noun ] an appearance that is not attractive or beautiful
Synonyms: homeliness
Examples:

"fine clothes could not conceal the girl's homeliness"

Related terms: appearance
Similar spelling:   plainsong
  plainsman
  plowing
  pliancy
  playing
  plainspoken