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"as insubstantial as a dream" "an insubstantial mirage on the horizon"adjectivelacking material form or substance; unrealOpposite:
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"vinyl siding has become the standard-bearer for cheap, insubstantial construction"adjectivelacking solidity or strength
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"an insubstantial and unsatisfying meal"adjectivelacking in nutritive value
Similar:
Definition that contains insubstantial
- light very thin and insubstantial
- aerial characterized by lightness and insubstantiality; as impalpable or intangible as air
- airy characterized by lightness and insubstantiality; as impalpable or intangible as air
- ethereal characterized by lightness and insubstantiality; as impalpable or intangible as air
- buoyancy the property of something weightless and insubstantial
- simulacrum an insubstantial or vague semblance
- aery characterized by lightness and insubstantiality; as impalpable or intangible as air
- airiness the property of something weightless and insubstantial
- unreality the state of being insubstantial or imaginary; not existing objectively or in fact
- aeriform characterized by lightness and insubstantiality; as impalpable or intangible as air