plainness

nouns

the state of being unmixed with other material
"the plainness of vanilla ice cream"
plainness
is derived from
plain
is a type of (narrower)
being undiluted or unmixed with extraneous material
pureness, purity
clarity as a consequence of being perspicuous
perspicuity, perspicuousness, plainness
is derived from
plain
the appearance of being plain and unpretentious
plainness
is derived from
plain
is a type of (narrower)
outward or visible aspect of a person or thing
appearance, visual aspect
an appearance that is not attractive or beautiful
"fine clothes could not conceal the girl's homeliness"
homeliness, plainness
is derived from
plain