nebulose

[ neb-yuh-luh s, -lohs ]
/ ˈnɛb yə ləs, -ˌloʊs /

adjective

cloudlike; nebulous.
hazy or indistinct; nebulous.
having cloudlike markings.

Origin of nebulose

First recorded in 1795–1805, nebulose is from the Latin word nebulōsus full of mist, foggy, cloudy. See nebula, -ose1