insubstantial
adjective
1. lacking material form or substance; unreal
- as insubstantial as a dream
- an insubstantial mirage on the horizon
Similar word(s): aerial, aeriform, aery, airy, ethereal, shadowy, wraithlike, hollow, stringy, immaterial, nonmaterial, unreal, unsubstantial
2. lacking in nutritive value
- an insubstantial and unsatisfying meal
Similar word(s): unwholesome
3. lacking solidity or strength
- vinyl siding has become the standard-bearer for cheap, insubstantial construction
Sentences with insubstantial as an adjective:
- The bridge was insubstantial and would not safely carry a car.