Definition of preconformity in US English:

preconformity

noun

rare
  • A state or condition prior to conformity; antecedent conformity.

Origin

Early 19th century; earliest use found in Samuel Taylor Coleridge (1772–1834), poet, critic, and philosopher. From pre- + conformity.

Pronunciation

preconformity

/ˌpriːkənˈfɔːmɪti/