Lack of solid substance and strength

Usage examples of insubstantiality.

These sounds and scents had neither the dreamlike insubstantiality nor the hyperrealistic intensity that she might have expected of hallucinations, but were of a vividness precisely matched to the elements of the night that she knew to be real: neither more nor less resonant than the grumble and swish of passing traffic, neither more nor less sweet-smelling than the traffic fumes were odorous.

But the College floodlighting had not yet been switched off, and the old Cotswold stone buildings surrounding the quadrangles retained their curious air of insubstantiality.

When he finally paused for breath, the freshly painted bleachers surrounding the Tuscola High School football field suddenly bloomed with signs, banners, balloons, confetti, and all the other bright insubstantialities of a political campaign.

I will not surrender these prospects to insubstantialities and personal fears.

Furthermore, people will soon begin to see through the insubstantialities of your clever but childish polemics.

They did fade into insubstantiality where they crossed the resonating chamber, but they did not vanish entirely into another dimension.

Abruptly, the sky above the headquarters stratotower darkened to ultramarine blue and the structures and landing pads surrounding it faded into ghostly insubstantiality.