insubstantiality
Definitions
The quality of lacking strength, solidity, or physical substance.
The state of being flimsy, ethereal, or lacking in factual basis.
Examples
The insubstantiality of his arguments became apparent as soon as the committee began to scrutinize the data.
She was haunted by the insubstantiality of her memories, which seemed to fade like mist whenever she tried to grasp them.
Synonyms
flimsiness tenuity ethereality frailty insignificance intangibility lightness
Antonyms
substantiality solidity tangibility corporeality heaviness weightiness permanence