[syn: insubstantial, jejune]
The Collaborative International Dictionary of English v.0.48:
Insubstantial \In`sub*stan"tial\, a.
Unsubstantial; not real or strong. "Insubstantial pageant."
[R.] --Shak.
[1913 Webster]
WordNet (r) 3.0 (2006):
insubstantial
adj 1: lacking material form or substance; unreal; "as
insubstantial as a dream"; "an insubstantial mirage on
the horizon" [syn: insubstantial, unsubstantial,
unreal] [ant: material, real, substantial]
2: lacking in nutritive value; "the jejune diets of the very
poor" [syn: insubstantial, jejune]