plainness

Noun

• an appearance that is not attractive or beautiful
  • fine clothes could not conceal the girl's homeliness
    

• the appearance of being plain and unpretentious

• clarity as a consequence of being perspicuous

• the state of being unmixed with other material
  • the plainness of vanilla ice cream
    

Related words

• Synonyms: 
  homeliness , perspicuity , perspicuousness