Definition of melpomenish in US English:

melpomenish

adjective

rare, literary
  • Tragic; of a tragic demeanour.

Origin

Early 19th century; earliest use found in Thomas Surr (bap. 1770, d. 1847), novelist. From classical Latin Melpomenē, the name of the Muse who presided over tragedy (from ancient Greek Μελπομένη, the name of a Muse originally associated with song and subsequently especially with tragedy from μέλπειν to sing, of unknown origin) + -ish.

Pronunciation

melpomenish

/mɛlˈpɒmɪnɪʃ/