"plainness" | Definition and Related Words

Noun

The state of being unmixed with other material (synset 114510610)
"the plainness of vanilla ice cream"

is a type of: pureness, purity - being undiluted or unmixed with extraneous material
Clarity as a consequence of being perspicuous (synset 104828846)
is a type of: clarity, clearness, limpidity, lucidity, lucidness, pellucidity - free from obscurity and easy to understand; the comprehensibility of clear expression

same as: perspicuity, perspicuousness
The appearance of being plain and unpretentious (synset 104704615)
is a type of: appearance, visual aspect - outward or visible aspect of a person or thing
subtypes:
- chasteness, restraint, simpleness, simplicity - lack of ornamentation
- austereness, severeness, severity - extreme plainness
- bareness, starkness - an extreme lack of furnishings or ornamentation
An appearance that is not attractive or beautiful (synset 104698999)
"fine clothes could not conceal the girl's homeliness"

is a type of: appearance, visual aspect - outward or visible aspect of a person or thing

same as: homeliness