English to English
insubstantial

(,/I/ns/@/b'st/&/n/S//@/l
)
adjective (a)
- lacking material form or substance; unreal(adj.all)Example:
As insubstantial as a dream.
An insubstantial mirage on the horizon.
source: wordnet30 - Unsubstantial; not real or strong.(adjective)source: webster1913