Definition of morbose in US English:

morbose

adjective

rare
  • Resulting from or causing disease; diseased; unhealthy.

Origin

Late 17th century; earliest use found in John Ray (1627–1705), naturalist and theologian. From classical Latin morbōsus from morbus disease + -ōsus. Compare Portuguese morboso, Spanish morboso.

Pronunciation

morbose

/mɔːˈbəʊs/