Definition of Morphean in English:

Morphean

adjective

literary, poetic
  • Of, belonging to, or relating to Morpheus; sleepy, drowsy.

Origin

Mid 17th century; earliest use found in John Johnson (fl. 1641), writer and poet. From the name of Morpheus + -an; compare -ean.

Pronunciation

Morphean

/mɔːˈfiːən//ˈmɔːfɪən/