a. [ L. nebulosus: cf. F. nébuleux. See Nebula. ] 1. Cloudy; hazy; misty. [ 1913 Webster ]
2. (Astron.) Of, pertaining to, or having the appearance of, a nebula; nebular; cloudlike. [ 1913 Webster ]
-- Neb"u*lous*ly, adv. -- Neb"u*lous*ness, n. [ 1913 Webster ]