plainness Meaning, Definition & Usage

1. noun the state of being unmixed with other material
   
   • the plainness of vanilla ice cream
2. noun clarity as a consequence of being perspicuous
   perspicuity; perspicuousness.
   
3. noun the appearance of being plain and unpretentious
   
4. noun an appearance that is not attractive or beautiful
   homeliness.
   
   • fine clothes could not conceal the girl's homeliness

WordNet