unsubstantial (Meaning)

Wordnet

unsubstantial (a)

lacking material form or substance; unreal

Webster

Lacking in matter or substance; visionary; chimerical.

The unsubstantial fumes billowed and dissipated in the wind.
The jury dismissed the witness's testimony due to its unsubstantial nature.
The unsubstantial cloud of mist clung to the lake's surface.
The rumors swirling around the town were unsubstantial and unfounded.
The athlete's training regimen was unsubstantial, lacking intensity and duration.
The unsubstantial evidence failed to support the guilty verdict.
The politician's promise of tax cuts proved unsubstantial, failing to materialize.
The painting's vibrant colors faded over time, leaving only unsubstantial traces of its former glory.
The ghostly apparition appeared unsubstantial, its form shifting and elusive.
The unsubstantial foundation caused the building to sway precariously in the earthquake.

lacking material form or substance; unrealLacking in matter or substance; visionary; chimerical.

psychical, insubstantial, supernatural, metaphysical, incorporeal,spiritual, immaterial, nonphysical, formless, thin

material, physical, substantial,substantial, corporeal, physical, corporeal, material, visible, solid

The unsubstantial fumes billowed and dissipated in the wind.

The jury dismissed the witness's testimony due to its unsubstantial nature.

The unsubstantial cloud of mist clung to the lake's surface.

The rumors swirling around the town were unsubstantial and unfounded.