Found 2 items, similar to unsubstantial.
English → English (WordNet) Definition: unsubstantial unsubstantial adj : lacking material form or substance; unreal; “as insubstantial as a dream”; “an insubstantial mirage on the horizon” [syn: insubstantial, unreal] [ant: substantial]
English → English (gcide) Definition: Unsubstantial Unsubstantial \Un`sub*stan"tial\, a. Lacking in matter or substance; visionary; chimerical. [1913 Webster]