affectedness

nouns

the quality of being false or artificial (as to impress others)
is derived from
antonym
is a type of (narrower)
the quality of being unnatural or not based on natural principles
is an attribute of
speaking or behaving in an artificial way to make an impression
is an attribute of
free of artificiality; sincere and genuine
"an unaffected grace"
a deliberate pretense or exaggerated display