Definition of nincompoopiana in US English:

nincompoopiana

noun

historical, derogatory
  • (A name for) the late 19th-cent. aesthetic movement; (more generally) the vogue for aestheticism which accompanied it.

Origin

Late 19th century; earliest use found in Max Beerbohm (1872–1956), caricaturist and writer. From nincompoop + -iana.

Pronunciation

nincompoopiana

/ˌnɪŋkəmpuːpɪˈɑːnə/