nebulose
/ˈnɛbjʊləʊs/ /ˈnɛbjʊləʊz/Now rare
adjective
Cloudlike, resembling a cloud or clouds.
Origin
Late Middle English (in an earlier sense). From classical Latin nebulōsus foggy, vaporous, obscure, in post-classical Latin also ‘wavy’ from nebula + -ōsus.