Insubstantial | Mean of insubstantial in English Dictionary

/ˌɪnsəbˈstænʃəl/

• not substantial: such as
• not large or important
1. Their contribution to the fund was insubstantial.
2. a very insubstantial [=small] amount of money
3. insubstantial differences
• not strong or solid
1. The scarf is beautiful but too thin and insubstantial [=flimsy] to keep you warm.

• not real
1. an insubstantial [=imaginary] place
2. as insubstantial as a ghost